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authorDavid Rientjes <rientjes@google.com>2009-01-06 22:39:29 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 23:59:02 (GMT)
commit364aeb2849789b51bf4b9af2ddd02fee7285c54e (patch)
tree4a24ea43a2a76ae744571f3c7b5022aa1107599e /fs/nfs
parent58a01a45721bf7bd3a41a86248c3cb02a6b0c501 (diff)
downloadlinux-fsl-qoriq-364aeb2849789b51bf4b9af2ddd02fee7285c54e.tar.xz
mm: change dirty limit type specifiers to unsigned long
The background dirty and dirty limits are better defined with type specifiers of unsigned long since negative writeback thresholds are not possible. These values, as returned by get_dirty_limits(), are normally compared with ZVC values to determine whether writeback shall commence or be throttled. Such page counts cannot be negative, so declaring the page limits as signed is unnecessary. Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dave Chinner <david@fromorbit.com> Cc: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: David Rientjes <rientjes@google.com> Cc: Andrea Righi <righi.andrea@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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