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[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>
hifive-unleashed-5.1
Andi Kleen 2006-02-20 18:27:59 -08:00 committed by Linus Torvalds
parent c255d844dd
commit a9c930bac1
1 changed files with 1 additions and 1 deletions
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2
mm/mempolicy.c
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@ -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);