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-rw-r--r--mm/nobootmem.c113
1 files changed, 55 insertions, 58 deletions
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 24f0fc1a56d..d23415c001b 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -82,8 +82,7 @@ void __init free_bootmem_late(unsigned long addr, unsigned long size)
static void __init __free_pages_memory(unsigned long start, unsigned long end)
{
- int i;
- unsigned long start_aligned, end_aligned;
+ unsigned long i, start_aligned, end_aligned;
int order = ilog2(BITS_PER_LONG);
start_aligned = (start + (BITS_PER_LONG - 1)) & ~(BITS_PER_LONG - 1);
@@ -275,6 +274,57 @@ void * __init __alloc_bootmem(unsigned long size, unsigned long align,
return ___alloc_bootmem(size, align, goal, limit);
}
+static void * __init ___alloc_bootmem_node_nopanic(pg_data_t *pgdat,
+ unsigned long size,
+ unsigned long align,
+ unsigned long goal,
+ unsigned long limit)
+{
+ void *ptr;
+
+again:
+ ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
+ goal, limit);
+ if (ptr)
+ return ptr;
+
+ ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align,
+ goal, limit);
+ if (ptr)
+ return ptr;
+
+ if (goal) {
+ goal = 0;
+ goto again;
+ }
+
+ return NULL;
+}
+
+void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
+ unsigned long align, unsigned long goal)
+{
+ if (WARN_ON_ONCE(slab_is_available()))
+ return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
+
+ return ___alloc_bootmem_node_nopanic(pgdat, size, align, goal, 0);
+}
+
+void * __init ___alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
+ unsigned long align, unsigned long goal,
+ unsigned long limit)
+{
+ void *ptr;
+
+ ptr = ___alloc_bootmem_node_nopanic(pgdat, size, align, goal, limit);
+ if (ptr)
+ return ptr;
+
+ printk(KERN_ALERT "bootmem alloc of %lu bytes failed!\n", size);
+ panic("Out of memory");
+ return NULL;
+}
+
/**
* __alloc_bootmem_node - allocate boot memory from a specific node
* @pgdat: node to allocate from
@@ -293,18 +343,10 @@ void * __init __alloc_bootmem(unsigned long size, unsigned long align,
void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
unsigned long align, unsigned long goal)
{
- void *ptr;
-
if (WARN_ON_ONCE(slab_is_available()))
return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
- ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
- goal, -1ULL);
- if (ptr)
- return ptr;
-
- return __alloc_memory_core_early(MAX_NUMNODES, size, align,
- goal, -1ULL);
+ return ___alloc_bootmem_node(pgdat, size, align, goal, 0);
}
void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
@@ -313,44 +355,6 @@ void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
return __alloc_bootmem_node(pgdat, size, align, goal);
}
-#ifdef CONFIG_SPARSEMEM
-/**
- * alloc_bootmem_section - allocate boot memory from a specific section
- * @size: size of the request in bytes
- * @section_nr: sparse map section to allocate from
- *
- * Return NULL on failure.
- */
-void * __init alloc_bootmem_section(unsigned long size,
- unsigned long section_nr)
-{
- unsigned long pfn, goal, limit;
-
- pfn = section_nr_to_pfn(section_nr);
- goal = pfn << PAGE_SHIFT;
- limit = section_nr_to_pfn(section_nr + 1) << PAGE_SHIFT;
-
- return __alloc_memory_core_early(early_pfn_to_nid(pfn), size,
- SMP_CACHE_BYTES, goal, limit);
-}
-#endif
-
-void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
- unsigned long align, unsigned long goal)
-{
- void *ptr;
-
- if (WARN_ON_ONCE(slab_is_available()))
- return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
-
- ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
- goal, -1ULL);
- if (ptr)
- return ptr;
-
- return __alloc_bootmem_nopanic(size, align, goal);
-}
-
#ifndef ARCH_LOW_ADDRESS_LIMIT
#define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL
#endif
@@ -392,16 +396,9 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align,
void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size,
unsigned long align, unsigned long goal)
{
- void *ptr;
-
if (WARN_ON_ONCE(slab_is_available()))
return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
- ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
- goal, ARCH_LOW_ADDRESS_LIMIT);
- if (ptr)
- return ptr;
-
- return __alloc_memory_core_early(MAX_NUMNODES, size, align,
- goal, ARCH_LOW_ADDRESS_LIMIT);
+ return ___alloc_bootmem_node(pgdat, size, align, goal,
+ ARCH_LOW_ADDRESS_LIMIT);
}