memblock: Rename memblock_region to memblock_type and memblock_property to memblock_region
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 7185b00..d1496e6 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -237,7 +237,7 @@
#ifndef CONFIG_SPARSEMEM
int pfn_valid(unsigned long pfn)
{
- struct memblock_region *mem = &memblock.memory;
+ struct memblock_type *mem = &memblock.memory;
unsigned int left = 0, right = mem->cnt;
do {
diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index 0054b95..05bf228 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -173,7 +173,7 @@
static int valid_sdram(unsigned long addr, unsigned long size)
{
- struct memblock_property res;
+ struct memblock_region res;
res.base = addr;
res.size = size;
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index db59349..afd6494 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -77,8 +77,8 @@
/* Find main memory where is the kernel */
for (i = 0; i < memblock.memory.cnt; i++) {
- memory_start = (u32) memblock.memory.region[i].base;
- memory_end = (u32) memblock.memory.region[i].base
+ memory_start = (u32) memblock.memory.regions[i].base;
+ memory_end = (u32) memblock.memory.regions[i].base
+ (u32) memblock.memory.region[i].size;
if ((memory_start <= (u32)_text) &&
((u32)_text <= memory_end)) {
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 09dffe6..b1a3784 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -660,7 +660,7 @@
/* create bolted the linear mapping in the hash table */
for (i=0; i < memblock.memory.cnt; i++) {
- base = (unsigned long)__va(memblock.memory.region[i].base);
+ base = (unsigned long)__va(memblock.memory.regions[i].base);
size = memblock.memory.region[i].size;
DBG("creating mapping for region: %lx..%lx (prot: %lx)\n",
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 1a84a8d..a33f5c1 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -86,10 +86,10 @@
for (i=0; i < memblock.memory.cnt; i++) {
unsigned long base;
- base = memblock.memory.region[i].base;
+ base = memblock.memory.regions[i].base;
if ((paddr >= base) &&
- (paddr < (base + memblock.memory.region[i].size))) {
+ (paddr < (base + memblock.memory.regions[i].size))) {
return 1;
}
}
@@ -149,7 +149,7 @@
walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
void *arg, int (*func)(unsigned long, unsigned long, void *))
{
- struct memblock_property res;
+ struct memblock_region res;
unsigned long pfn, len;
u64 end;
int ret = -1;
@@ -206,7 +206,7 @@
/* Add active regions with valid PFNs */
for (i = 0; i < memblock.memory.cnt; i++) {
unsigned long start_pfn, end_pfn;
- start_pfn = memblock.memory.region[i].base >> PAGE_SHIFT;
+ start_pfn = memblock.memory.regions[i].base >> PAGE_SHIFT;
end_pfn = start_pfn + memblock_size_pages(&memblock.memory, i);
add_active_range(0, start_pfn, end_pfn);
}
@@ -219,16 +219,16 @@
/* reserve the sections we're already using */
for (i = 0; i < memblock.reserved.cnt; i++) {
- unsigned long addr = memblock.reserved.region[i].base +
+ unsigned long addr = memblock.reserved.regions[i].base +
memblock_size_bytes(&memblock.reserved, i) - 1;
if (addr < lowmem_end_addr)
- reserve_bootmem(memblock.reserved.region[i].base,
+ reserve_bootmem(memblock.reserved.regions[i].base,
memblock_size_bytes(&memblock.reserved, i),
BOOTMEM_DEFAULT);
- else if (memblock.reserved.region[i].base < lowmem_end_addr) {
+ else if (memblock.reserved.regions[i].base < lowmem_end_addr) {
unsigned long adjusted_size = lowmem_end_addr -
- memblock.reserved.region[i].base;
- reserve_bootmem(memblock.reserved.region[i].base,
+ memblock.reserved.regions[i].base;
+ reserve_bootmem(memblock.reserved.regions[i].base,
adjusted_size, BOOTMEM_DEFAULT);
}
}
@@ -237,7 +237,7 @@
/* reserve the sections we're already using */
for (i = 0; i < memblock.reserved.cnt; i++)
- reserve_bootmem(memblock.reserved.region[i].base,
+ reserve_bootmem(memblock.reserved.regions[i].base,
memblock_size_bytes(&memblock.reserved, i),
BOOTMEM_DEFAULT);
@@ -257,10 +257,10 @@
for (i = 0; i < memblock.memory.cnt - 1; i++) {
memblock_region_max_pfn =
- (memblock.memory.region[i].base >> PAGE_SHIFT) +
- (memblock.memory.region[i].size >> PAGE_SHIFT);
+ (memblock.memory.regions[i].base >> PAGE_SHIFT) +
+ (memblock.memory.regions[i].size >> PAGE_SHIFT);
memblock_next_region_start_pfn =
- memblock.memory.region[i+1].base >> PAGE_SHIFT;
+ memblock.memory.regions[i+1].base >> PAGE_SHIFT;
if (memblock_region_max_pfn < memblock_next_region_start_pfn)
register_nosave_region(memblock_region_max_pfn,
diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index 5cdcc7c..8450c29 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -65,7 +65,7 @@
void __init wii_memory_fixups(void)
{
- struct memblock_property *p = memblock.memory.region;
+ struct memblock_region *p = memblock.memory.region;
/*
* This is part of a workaround to allow the use of two
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index f043451..16d8bee 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -978,7 +978,7 @@
unsigned long size = memblock_size_bytes(&memblock.memory, i);
unsigned long start, end;
- start = memblock.memory.region[i].base;
+ start = memblock.memory.regions[i].base;
end = start + size;
while (start < end) {
unsigned long this_end;
@@ -1299,7 +1299,7 @@
if (!size)
continue;
- start_pfn = memblock.memory.region[i].base >> PAGE_SHIFT;
+ start_pfn = memblock.memory.regions[i].base >> PAGE_SHIFT;
end_pfn = start_pfn + memblock_size_pages(&memblock.memory, i);
add_active_range(0, start_pfn, end_pfn);
}
@@ -1339,7 +1339,7 @@
numadbg(" trim_reserved_in_node(%d)\n", nid);
for (i = 0; i < memblock.reserved.cnt; i++) {
- unsigned long start = memblock.reserved.region[i].base;
+ unsigned long start = memblock.reserved.regions[i].base;
unsigned long size = memblock_size_bytes(&memblock.reserved, i);
unsigned long end = start + size;
diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c
index f6fdc20..0f2532b 100644
--- a/drivers/video/omap2/vram.c
+++ b/drivers/video/omap2/vram.c
@@ -554,7 +554,7 @@
size = PAGE_ALIGN(size);
if (paddr) {
- struct memblock_property res;
+ struct memblock_region res;
res.base = paddr;
res.size = size;
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index a59faf2..86e7daf 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -18,22 +18,22 @@
#define MAX_MEMBLOCK_REGIONS 128
-struct memblock_property {
+struct memblock_region {
u64 base;
u64 size;
};
-struct memblock_region {
+struct memblock_type {
unsigned long cnt;
u64 size;
- struct memblock_property region[MAX_MEMBLOCK_REGIONS+1];
+ struct memblock_region regions[MAX_MEMBLOCK_REGIONS+1];
};
struct memblock {
unsigned long debug;
u64 rmo_size;
- struct memblock_region memory;
- struct memblock_region reserved;
+ struct memblock_type memory;
+ struct memblock_type reserved;
};
extern struct memblock memblock;
@@ -56,27 +56,27 @@
extern void __init memblock_enforce_memory_limit(u64 memory_limit);
extern int __init memblock_is_reserved(u64 addr);
extern int memblock_is_region_reserved(u64 base, u64 size);
-extern int memblock_find(struct memblock_property *res);
+extern int memblock_find(struct memblock_region *res);
extern void memblock_dump_all(void);
static inline u64
-memblock_size_bytes(struct memblock_region *type, unsigned long region_nr)
+memblock_size_bytes(struct memblock_type *type, unsigned long region_nr)
{
- return type->region[region_nr].size;
+ return type->regions[region_nr].size;
}
static inline u64
-memblock_size_pages(struct memblock_region *type, unsigned long region_nr)
+memblock_size_pages(struct memblock_type *type, unsigned long region_nr)
{
return memblock_size_bytes(type, region_nr) >> PAGE_SHIFT;
}
static inline u64
-memblock_start_pfn(struct memblock_region *type, unsigned long region_nr)
+memblock_start_pfn(struct memblock_type *type, unsigned long region_nr)
{
- return type->region[region_nr].base >> PAGE_SHIFT;
+ return type->regions[region_nr].base >> PAGE_SHIFT;
}
static inline u64
-memblock_end_pfn(struct memblock_region *type, unsigned long region_nr)
+memblock_end_pfn(struct memblock_type *type, unsigned long region_nr)
{
return memblock_start_pfn(type, region_nr) +
memblock_size_pages(type, region_nr);
diff --git a/mm/memblock.c b/mm/memblock.c
index 43840b3..6f407cc 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -29,7 +29,7 @@
}
early_param("memblock", early_memblock);
-static void memblock_dump(struct memblock_region *region, char *name)
+static void memblock_dump(struct memblock_type *region, char *name)
{
unsigned long long base, size;
int i;
@@ -37,8 +37,8 @@
pr_info(" %s.cnt = 0x%lx\n", name, region->cnt);
for (i = 0; i < region->cnt; i++) {
- base = region->region[i].base;
- size = region->region[i].size;
+ base = region->regions[i].base;
+ size = region->regions[i].size;
pr_info(" %s[0x%x]\t0x%016llx - 0x%016llx, 0x%llx bytes\n",
name, i, base, base + size - 1, size);
@@ -74,34 +74,34 @@
return 0;
}
-static long memblock_regions_adjacent(struct memblock_region *rgn,
+static long memblock_regions_adjacent(struct memblock_type *type,
unsigned long r1, unsigned long r2)
{
- u64 base1 = rgn->region[r1].base;
- u64 size1 = rgn->region[r1].size;
- u64 base2 = rgn->region[r2].base;
- u64 size2 = rgn->region[r2].size;
+ u64 base1 = type->regions[r1].base;
+ u64 size1 = type->regions[r1].size;
+ u64 base2 = type->regions[r2].base;
+ u64 size2 = type->regions[r2].size;
return memblock_addrs_adjacent(base1, size1, base2, size2);
}
-static void memblock_remove_region(struct memblock_region *rgn, unsigned long r)
+static void memblock_remove_region(struct memblock_type *type, unsigned long r)
{
unsigned long i;
- for (i = r; i < rgn->cnt - 1; i++) {
- rgn->region[i].base = rgn->region[i + 1].base;
- rgn->region[i].size = rgn->region[i + 1].size;
+ for (i = r; i < type->cnt - 1; i++) {
+ type->regions[i].base = type->regions[i + 1].base;
+ type->regions[i].size = type->regions[i + 1].size;
}
- rgn->cnt--;
+ type->cnt--;
}
/* Assumption: base addr of region 1 < base addr of region 2 */
-static void memblock_coalesce_regions(struct memblock_region *rgn,
+static void memblock_coalesce_regions(struct memblock_type *type,
unsigned long r1, unsigned long r2)
{
- rgn->region[r1].size += rgn->region[r2].size;
- memblock_remove_region(rgn, r2);
+ type->regions[r1].size += type->regions[r2].size;
+ memblock_remove_region(type, r2);
}
void __init memblock_init(void)
@@ -109,13 +109,13 @@
/* Create a dummy zero size MEMBLOCK which will get coalesced away later.
* This simplifies the memblock_add() code below...
*/
- memblock.memory.region[0].base = 0;
- memblock.memory.region[0].size = 0;
+ memblock.memory.regions[0].base = 0;
+ memblock.memory.regions[0].size = 0;
memblock.memory.cnt = 1;
/* Ditto. */
- memblock.reserved.region[0].base = 0;
- memblock.reserved.region[0].size = 0;
+ memblock.reserved.regions[0].base = 0;
+ memblock.reserved.regions[0].size = 0;
memblock.reserved.cnt = 1;
}
@@ -126,24 +126,24 @@
memblock.memory.size = 0;
for (i = 0; i < memblock.memory.cnt; i++)
- memblock.memory.size += memblock.memory.region[i].size;
+ memblock.memory.size += memblock.memory.regions[i].size;
}
-static long memblock_add_region(struct memblock_region *rgn, u64 base, u64 size)
+static long memblock_add_region(struct memblock_type *type, u64 base, u64 size)
{
unsigned long coalesced = 0;
long adjacent, i;
- if ((rgn->cnt == 1) && (rgn->region[0].size == 0)) {
- rgn->region[0].base = base;
- rgn->region[0].size = size;
+ if ((type->cnt == 1) && (type->regions[0].size == 0)) {
+ type->regions[0].base = base;
+ type->regions[0].size = size;
return 0;
}
/* First try and coalesce this MEMBLOCK with another. */
- for (i = 0; i < rgn->cnt; i++) {
- u64 rgnbase = rgn->region[i].base;
- u64 rgnsize = rgn->region[i].size;
+ for (i = 0; i < type->cnt; i++) {
+ u64 rgnbase = type->regions[i].base;
+ u64 rgnsize = type->regions[i].size;
if ((rgnbase == base) && (rgnsize == size))
/* Already have this region, so we're done */
@@ -151,61 +151,59 @@
adjacent = memblock_addrs_adjacent(base, size, rgnbase, rgnsize);
if (adjacent > 0) {
- rgn->region[i].base -= size;
- rgn->region[i].size += size;
+ type->regions[i].base -= size;
+ type->regions[i].size += size;
coalesced++;
break;
} else if (adjacent < 0) {
- rgn->region[i].size += size;
+ type->regions[i].size += size;
coalesced++;
break;
}
}
- if ((i < rgn->cnt - 1) && memblock_regions_adjacent(rgn, i, i+1)) {
- memblock_coalesce_regions(rgn, i, i+1);
+ if ((i < type->cnt - 1) && memblock_regions_adjacent(type, i, i+1)) {
+ memblock_coalesce_regions(type, i, i+1);
coalesced++;
}
if (coalesced)
return coalesced;
- if (rgn->cnt >= MAX_MEMBLOCK_REGIONS)
+ if (type->cnt >= MAX_MEMBLOCK_REGIONS)
return -1;
/* Couldn't coalesce the MEMBLOCK, so add it to the sorted table. */
- for (i = rgn->cnt - 1; i >= 0; i--) {
- if (base < rgn->region[i].base) {
- rgn->region[i+1].base = rgn->region[i].base;
- rgn->region[i+1].size = rgn->region[i].size;
+ for (i = type->cnt - 1; i >= 0; i--) {
+ if (base < type->regions[i].base) {
+ type->regions[i+1].base = type->regions[i].base;
+ type->regions[i+1].size = type->regions[i].size;
} else {
- rgn->region[i+1].base = base;
- rgn->region[i+1].size = size;
+ type->regions[i+1].base = base;
+ type->regions[i+1].size = size;
break;
}
}
- if (base < rgn->region[0].base) {
- rgn->region[0].base = base;
- rgn->region[0].size = size;
+ if (base < type->regions[0].base) {
+ type->regions[0].base = base;
+ type->regions[0].size = size;
}
- rgn->cnt++;
+ type->cnt++;
return 0;
}
long memblock_add(u64 base, u64 size)
{
- struct memblock_region *_rgn = &memblock.memory;
-
/* On pSeries LPAR systems, the first MEMBLOCK is our RMO region. */
if (base == 0)
memblock.rmo_size = size;
- return memblock_add_region(_rgn, base, size);
+ return memblock_add_region(&memblock.memory, base, size);
}
-static long __memblock_remove(struct memblock_region *rgn, u64 base, u64 size)
+static long __memblock_remove(struct memblock_type *type, u64 base, u64 size)
{
u64 rgnbegin, rgnend;
u64 end = base + size;
@@ -214,34 +212,34 @@
rgnbegin = rgnend = 0; /* supress gcc warnings */
/* Find the region where (base, size) belongs to */
- for (i=0; i < rgn->cnt; i++) {
- rgnbegin = rgn->region[i].base;
- rgnend = rgnbegin + rgn->region[i].size;
+ for (i=0; i < type->cnt; i++) {
+ rgnbegin = type->regions[i].base;
+ rgnend = rgnbegin + type->regions[i].size;
if ((rgnbegin <= base) && (end <= rgnend))
break;
}
/* Didn't find the region */
- if (i == rgn->cnt)
+ if (i == type->cnt)
return -1;
/* Check to see if we are removing entire region */
if ((rgnbegin == base) && (rgnend == end)) {
- memblock_remove_region(rgn, i);
+ memblock_remove_region(type, i);
return 0;
}
/* Check to see if region is matching at the front */
if (rgnbegin == base) {
- rgn->region[i].base = end;
- rgn->region[i].size -= size;
+ type->regions[i].base = end;
+ type->regions[i].size -= size;
return 0;
}
/* Check to see if the region is matching at the end */
if (rgnend == end) {
- rgn->region[i].size -= size;
+ type->regions[i].size -= size;
return 0;
}
@@ -249,8 +247,8 @@
* We need to split the entry - adjust the current one to the
* beginging of the hole and add the region after hole.
*/
- rgn->region[i].size = base - rgn->region[i].base;
- return memblock_add_region(rgn, end, rgnend - end);
+ type->regions[i].size = base - type->regions[i].base;
+ return memblock_add_region(type, end, rgnend - end);
}
long memblock_remove(u64 base, u64 size)
@@ -265,25 +263,25 @@
long __init memblock_reserve(u64 base, u64 size)
{
- struct memblock_region *_rgn = &memblock.reserved;
+ struct memblock_type *_rgn = &memblock.reserved;
BUG_ON(0 == size);
return memblock_add_region(_rgn, base, size);
}
-long memblock_overlaps_region(struct memblock_region *rgn, u64 base, u64 size)
+long memblock_overlaps_region(struct memblock_type *type, u64 base, u64 size)
{
unsigned long i;
- for (i = 0; i < rgn->cnt; i++) {
- u64 rgnbase = rgn->region[i].base;
- u64 rgnsize = rgn->region[i].size;
+ for (i = 0; i < type->cnt; i++) {
+ u64 rgnbase = type->regions[i].base;
+ u64 rgnsize = type->regions[i].size;
if (memblock_addrs_overlap(base, size, rgnbase, rgnsize))
break;
}
- return (i < rgn->cnt) ? i : -1;
+ return (i < type->cnt) ? i : -1;
}
static u64 memblock_align_down(u64 addr, u64 size)
@@ -311,7 +309,7 @@
base = ~(u64)0;
return base;
}
- res_base = memblock.reserved.region[j].base;
+ res_base = memblock.reserved.regions[j].base;
if (res_base < size)
break;
base = memblock_align_down(res_base - size, align);
@@ -320,7 +318,7 @@
return ~(u64)0;
}
-static u64 __init memblock_alloc_nid_region(struct memblock_property *mp,
+static u64 __init memblock_alloc_nid_region(struct memblock_region *mp,
u64 (*nid_range)(u64, u64, int *),
u64 size, u64 align, int nid)
{
@@ -350,7 +348,7 @@
u64 __init memblock_alloc_nid(u64 size, u64 align, int nid,
u64 (*nid_range)(u64 start, u64 end, int *nid))
{
- struct memblock_region *mem = &memblock.memory;
+ struct memblock_type *mem = &memblock.memory;
int i;
BUG_ON(0 == size);
@@ -358,7 +356,7 @@
size = memblock_align_up(size, align);
for (i = 0; i < mem->cnt; i++) {
- u64 ret = memblock_alloc_nid_region(&mem->region[i],
+ u64 ret = memblock_alloc_nid_region(&mem->regions[i],
nid_range,
size, align, nid);
if (ret != ~(u64)0)
@@ -402,8 +400,8 @@
max_addr = MEMBLOCK_REAL_LIMIT;
for (i = memblock.memory.cnt - 1; i >= 0; i--) {
- u64 memblockbase = memblock.memory.region[i].base;
- u64 memblocksize = memblock.memory.region[i].size;
+ u64 memblockbase = memblock.memory.regions[i].base;
+ u64 memblocksize = memblock.memory.regions[i].size;
if (memblocksize < size)
continue;
@@ -423,7 +421,7 @@
return 0;
return base;
}
- res_base = memblock.reserved.region[j].base;
+ res_base = memblock.reserved.regions[j].base;
if (res_base < size)
break;
base = memblock_align_down(res_base - size, align);
@@ -442,7 +440,7 @@
{
int idx = memblock.memory.cnt - 1;
- return (memblock.memory.region[idx].base + memblock.memory.region[idx].size);
+ return (memblock.memory.regions[idx].base + memblock.memory.regions[idx].size);
}
/* You must call memblock_analyze() after this. */
@@ -450,7 +448,7 @@
{
unsigned long i;
u64 limit;
- struct memblock_property *p;
+ struct memblock_region *p;
if (!memory_limit)
return;
@@ -458,24 +456,24 @@
/* Truncate the memblock regions to satisfy the memory limit. */
limit = memory_limit;
for (i = 0; i < memblock.memory.cnt; i++) {
- if (limit > memblock.memory.region[i].size) {
- limit -= memblock.memory.region[i].size;
+ if (limit > memblock.memory.regions[i].size) {
+ limit -= memblock.memory.regions[i].size;
continue;
}
- memblock.memory.region[i].size = limit;
+ memblock.memory.regions[i].size = limit;
memblock.memory.cnt = i + 1;
break;
}
- if (memblock.memory.region[0].size < memblock.rmo_size)
- memblock.rmo_size = memblock.memory.region[0].size;
+ if (memblock.memory.regions[0].size < memblock.rmo_size)
+ memblock.rmo_size = memblock.memory.regions[0].size;
memory_limit = memblock_end_of_DRAM();
/* And truncate any reserves above the limit also. */
for (i = 0; i < memblock.reserved.cnt; i++) {
- p = &memblock.reserved.region[i];
+ p = &memblock.reserved.regions[i];
if (p->base > memory_limit)
p->size = 0;
@@ -494,9 +492,9 @@
int i;
for (i = 0; i < memblock.reserved.cnt; i++) {
- u64 upper = memblock.reserved.region[i].base +
- memblock.reserved.region[i].size - 1;
- if ((addr >= memblock.reserved.region[i].base) && (addr <= upper))
+ u64 upper = memblock.reserved.regions[i].base +
+ memblock.reserved.regions[i].size - 1;
+ if ((addr >= memblock.reserved.regions[i].base) && (addr <= upper))
return 1;
}
return 0;
@@ -511,7 +509,7 @@
* Given a <base, len>, find which memory regions belong to this range.
* Adjust the request and return a contiguous chunk.
*/
-int memblock_find(struct memblock_property *res)
+int memblock_find(struct memblock_region *res)
{
int i;
u64 rstart, rend;
@@ -520,8 +518,8 @@
rend = rstart + res->size - 1;
for (i = 0; i < memblock.memory.cnt; i++) {
- u64 start = memblock.memory.region[i].base;
- u64 end = start + memblock.memory.region[i].size - 1;
+ u64 start = memblock.memory.regions[i].base;
+ u64 end = start + memblock.memory.regions[i].size - 1;
if (start > rend)
return -1;
