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authorDave Young <hidave.darkstar@gmail.com>2010-10-27 01:22:06 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 03:52:10 +0400
commite1ca7788dec6773b1a2bce51b7141948f2b8bccf (patch)
tree500edef0ca88f398647f99e63be0a38307314319 /include/linux/vmalloc.h
parent7bbc0905ea4f7a471a7f79d0bea5d538f5114fc9 (diff)
downloadlinux-e1ca7788dec6773b1a2bce51b7141948f2b8bccf.tar.xz
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.h2
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);