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authorLee Schermerhorn <Lee.Schermerhorn@hp.com>2009-04-03 03:56:45 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 06:04:49 +0400
commit9a896c9a48ac6704c0ce8ee081b836644d0afe40 (patch)
tree681a5453326641cef362a53fb8e031af55ebc87d /fs/buffer.c
parent8e2c3795c78d5c4e2e1f14ce751e9d08decbe9d3 (diff)
downloadlinux-9a896c9a48ac6704c0ce8ee081b836644d0afe40.tar.xz
mm: define a UNIQUE value for AS_UNEVICTABLE flag
A new "address_space flag"--AS_MM_ALL_LOCKS--was defined to use the next available AS flag while the Unevictable LRU was under development. The Unevictable LRU was using the same flag and "no one" noticed. Current mainline, since 2.6.28, has same value for two symbolic flag names. So, define a unique flag value for AS_UNEVICTABLE--up close to the other flags, [at the cost of an additional #ifdef] so we'll notice next time. Note that #ifdef is not actually required, if we don't mind having the unused flag value defined. Replace #defines with an enum. Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: <stable@kernel.org> [2.6.28.x, 2.6.29.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/buffer.c')
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