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| author | Dave Young <hidave.darkstar@gmail.com> | 2010-10-26 14:22:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-26 16:52:10 -0700 |
| commit | e1ca7788dec6773b1a2bce51b7141948f2b8bccf (patch) | |
| tree | 500edef0ca88f398647f99e63be0a38307314319 /include/linux/vmalloc.h | |
| parent | 7bbc0905ea4f7a471a7f79d0bea5d538f5114fc9 (diff) | |
| download | blackbird-op-linux-e1ca7788dec6773b1a2bce51b7141948f2b8bccf.tar.gz blackbird-op-linux-e1ca7788dec6773b1a2bce51b7141948f2b8bccf.zip | |
mm: add vzalloc() and vzalloc_node() helpers
Add vzalloc() and vzalloc_node() to encapsulate the
vmalloc-then-memset-zero operation.
Use __GFP_ZERO to zero fill the allocated memory.
Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Greg Ungerer <gerg@snapgear.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/vmalloc.h')
| -rw-r--r-- | include/linux/vmalloc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 63a4fe6d51bd..a03dcf62ca9d 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -53,8 +53,10 @@ static inline void vmalloc_init(void) #endif extern void *vmalloc(unsigned long size); +extern void *vzalloc(unsigned long size); extern void *vmalloc_user(unsigned long size); extern void *vmalloc_node(unsigned long size, int node); +extern void *vzalloc_node(unsigned long size, int node); extern void *vmalloc_exec(unsigned long size); extern void *vmalloc_32(unsigned long size); extern void *vmalloc_32_user(unsigned long size); |
