Commit-ID: 7f5de22abaeb993a3f27132449588ed76c5a7938 Gitweb: http://git.kernel.org/tip/7f5de22abaeb993a3f27132449588ed76c5a7938 Author: Yinghai Lu <ying...@kernel.org> AuthorDate: Thu, 24 Jan 2013 12:20:15 -0800 Committer: H. Peter Anvin <h...@linux.intel.com> CommitDate: Tue, 29 Jan 2013 15:34:42 -0800
mm: Add alloc_bootmem_low_pages_nopanic() We don't need to panic in some case, like for swiotlb preallocating. Signed-off-by: Yinghai Lu <ying...@kernel.org> Link: http://lkml.kernel.org/r/1359058816-7615-35-git-send-email-ying...@kernel.org Signed-off-by: H. Peter Anvin <h...@linux.intel.com> --- include/linux/bootmem.h | 5 +++++ mm/bootmem.c | 8 ++++++++ mm/nobootmem.c | 8 ++++++++ 3 files changed, 21 insertions(+) diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 3f778c2..3cd16ba 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -99,6 +99,9 @@ void *___alloc_bootmem_node_nopanic(pg_data_t *pgdat, extern void *__alloc_bootmem_low(unsigned long size, unsigned long align, unsigned long goal); +void *__alloc_bootmem_low_nopanic(unsigned long size, + unsigned long align, + unsigned long goal); extern void *__alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size, unsigned long align, @@ -132,6 +135,8 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat, #define alloc_bootmem_low(x) \ __alloc_bootmem_low(x, SMP_CACHE_BYTES, 0) +#define alloc_bootmem_low_pages_nopanic(x) \ + __alloc_bootmem_low_nopanic(x, PAGE_SIZE, 0) #define alloc_bootmem_low_pages(x) \ __alloc_bootmem_low(x, PAGE_SIZE, 0) #define alloc_bootmem_low_pages_node(pgdat, x) \ diff --git a/mm/bootmem.c b/mm/bootmem.c index b93376c..2b0bcb0 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -833,6 +833,14 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align, return ___alloc_bootmem(size, align, goal, ARCH_LOW_ADDRESS_LIMIT); } +void * __init __alloc_bootmem_low_nopanic(unsigned long size, + unsigned long align, + unsigned long goal) +{ + return ___alloc_bootmem_nopanic(size, align, goal, + ARCH_LOW_ADDRESS_LIMIT); +} + /** * __alloc_bootmem_low_node - allocate low boot memory from a specific node * @pgdat: node to allocate from diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 03d152a..5e07d36 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -391,6 +391,14 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align, return ___alloc_bootmem(size, align, goal, ARCH_LOW_ADDRESS_LIMIT); } +void * __init __alloc_bootmem_low_nopanic(unsigned long size, + unsigned long align, + unsigned long goal) +{ + return ___alloc_bootmem_nopanic(size, align, goal, + ARCH_LOW_ADDRESS_LIMIT); +} + /** * __alloc_bootmem_low_node - allocate low boot memory from a specific node * @pgdat: node to allocate from -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
