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Diffstat (limited to 'mm/memblock.c')
-rw-r--r--mm/memblock.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 5108356ad8aa..93ad42bc8a73 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -68,7 +68,7 @@ ulong __init_memblock choose_memblock_flags(void)
/* adjust *@size so that (@base + *@size) doesn't overflow, return new size */
static inline phys_addr_t memblock_cap_size(phys_addr_t base, phys_addr_t *size)
{
- return *size = min(*size, (phys_addr_t)ULLONG_MAX - base);
+ return *size = min(*size, PHYS_ADDR_MAX - base);
}
/*
@@ -697,6 +697,11 @@ static int __init_memblock memblock_remove_range(struct memblock_type *type,
int __init_memblock memblock_remove(phys_addr_t base, phys_addr_t size)
{
+ phys_addr_t end = base + size - 1;
+
+ memblock_dbg("memblock_remove: [%pa-%pa] %pS\n",
+ &base, &end, (void *)_RET_IP_);
+
return memblock_remove_range(&memblock.memory, base, size);
}
@@ -925,7 +930,7 @@ void __init_memblock __next_mem_range(u64 *idx, int nid, ulong flags,
r = &type_b->regions[idx_b];
r_start = idx_b ? r[-1].base + r[-1].size : 0;
r_end = idx_b < type_b->cnt ?
- r->base : (phys_addr_t)ULLONG_MAX;
+ r->base : PHYS_ADDR_MAX;
/*
* if idx_b advanced past idx_a,
@@ -1041,7 +1046,7 @@ void __init_memblock __next_mem_range_rev(u64 *idx, int nid, ulong flags,
r = &type_b->regions[idx_b];
r_start = idx_b ? r[-1].base + r[-1].size : 0;
r_end = idx_b < type_b->cnt ?
- r->base : (phys_addr_t)ULLONG_MAX;
+ r->base : PHYS_ADDR_MAX;
/*
* if idx_b advanced past idx_a,
* break out to advance idx_a
@@ -1516,13 +1521,13 @@ phys_addr_t __init_memblock memblock_end_of_DRAM(void)
static phys_addr_t __init_memblock __find_max_addr(phys_addr_t limit)
{
- phys_addr_t max_addr = (phys_addr_t)ULLONG_MAX;
+ phys_addr_t max_addr = PHYS_ADDR_MAX;
struct memblock_region *r;
/*
* translate the memory @limit size into the max address within one of
* the memory memblock regions, if the @limit exceeds the total size
- * of those regions, max_addr will keep original value ULLONG_MAX
+ * of those regions, max_addr will keep original value PHYS_ADDR_MAX
*/
for_each_memblock(memory, r) {
if (limit <= r->size) {
@@ -1537,7 +1542,7 @@ static phys_addr_t __init_memblock __find_max_addr(phys_addr_t limit)
void __init memblock_enforce_memory_limit(phys_addr_t limit)
{
- phys_addr_t max_addr = (phys_addr_t)ULLONG_MAX;
+ phys_addr_t max_addr = PHYS_ADDR_MAX;
if (!limit)
return;
@@ -1545,14 +1550,14 @@ void __init memblock_enforce_memory_limit(phys_addr_t limit)
max_addr = __find_max_addr(limit);
/* @limit exceeds the total size of the memory, do nothing */
- if (max_addr == (phys_addr_t)ULLONG_MAX)
+ if (max_addr == PHYS_ADDR_MAX)
return;
/* truncate both memory and reserved regions */
memblock_remove_range(&memblock.memory, max_addr,
- (phys_addr_t)ULLONG_MAX);
+ PHYS_ADDR_MAX);
memblock_remove_range(&memblock.reserved, max_addr,
- (phys_addr_t)ULLONG_MAX);
+ PHYS_ADDR_MAX);
}
void __init memblock_cap_memory_range(phys_addr_t base, phys_addr_t size)
@@ -1580,7 +1585,7 @@ void __init memblock_cap_memory_range(phys_addr_t base, phys_addr_t size)
/* truncate the reserved regions */
memblock_remove_range(&memblock.reserved, 0, base);
memblock_remove_range(&memblock.reserved,
- base + size, (phys_addr_t)ULLONG_MAX);
+ base + size, PHYS_ADDR_MAX);
}
void __init memblock_mem_limit_remove_map(phys_addr_t limit)
@@ -1593,7 +1598,7 @@ void __init memblock_mem_limit_remove_map(phys_addr_t limit)
max_addr = __find_max_addr(limit);
/* @limit exceeds the total size of the memory, do nothing */
- if (max_addr == (phys_addr_t)ULLONG_MAX)
+ if (max_addr == PHYS_ADDR_MAX)
return;
memblock_cap_memory_range(0, max_addr);