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mm: introduce non panic alloc_bootmem

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Straight forward variant of the existing __alloc_bootmem_node, only
subsequent patch when allocating giant hugepages at boot -- don't want to
panic if we can't allocate as many as the user asked for.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andi Kleen 2008-07-23 21:27:45 -07:00 • committed by Linus Torvalds
parent 5ced66c901
commit b54bbf7b81
2 changed files with 16 additions and 0 deletions
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4
include/linux/bootmem.h
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@ -89,6 +89,10 @@ extern void *__alloc_bootmem_node(pg_data_t *pgdat,
unsigned long size,
unsigned long align,
unsigned long goal);
extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat,
unsigned long size,
unsigned long align,
unsigned long goal);
extern unsigned long init_bootmem_node(pg_data_t *pgdat,
unsigned long freepfn,
unsigned long startpfn,