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authorAndi Kleen <ak@suse.de>2006-02-20 18:27:59 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-20 20:00:10 -0800
commita9c930bac163c5e616ca0ba9378e7dc746c93227 (patch)
tree58ff339858cee3a87893c094561eb72381044a08 /mm
parentc255d844dd73616f23e4b4733edcc2e5fa4042b2 (diff)
downloadlinux-linaro-stable-a9c930bac163c5e616ca0ba9378e7dc746c93227.tar.gz
[PATCH] Fix units in mbind check
maxnode is a bit index and can't be directly compared against a byte length like PAGE_SIZE Signed-off-by: Andi Kleen <ak@suse.de> Cc: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/mempolicy.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index bedfa4f09c80..6422fe478113 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -808,7 +808,7 @@ static int get_nodes(nodemask_t *nodes, const unsigned long __user *nmask,
nodes_clear(*nodes);
if (maxnode == 0 || !nmask)
return 0;
- if (maxnode > PAGE_SIZE)
+ if (maxnode > PAGE_SIZE*BITS_PER_BYTE)
return -EINVAL;
nlongs = BITS_TO_LONGS(maxnode);