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authorMika Kukkonen <mikukkon@miku.homelinux.net>2007-05-10 22:22:17 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 08:29:32 -0700
commit7faaa5f0bf4db6ac4908038e2139adc46c165ff4 (patch)
treee6efe930b1749b4f133945468dad807c43fe1732 /Documentation
parent069f11f9d66bc582fb40a37a7b92363f5d321969 (diff)
Bug in mm/thrash.c function grab_swap_token()
Following bug was uncovered by compiling with '-W' flag: CC mm/thrash.o mm/thrash.c: In function ‘grab_swap_token’: mm/thrash.c:52: warning: comparison of unsigned expression < 0 is always false Variable token_priority is unsigned, so decrementing first and then checking the result does not work; fixed by reversing the test, patch attached (compile tested only). I am not sure if likely() makes much sense in this new situation, but I'll let somebody else to make a decision on that. Signed-off-by: Mika Kukkonen <mikukkon@iki.fi> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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