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authorAndrew Morton <akpm@linux-foundation.org>2007-07-15 23:38:14 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:36 -0700
commitfc9a07e7bf1a76e710f5df017abb07628db1781d (patch)
treebf2a288f97cbf9cfd82a4306a7d9c615abc7c887 /README
parent45426812d6b601430d560cb6049757b5b0bc71c4 (diff)
downloadlinux-fc9a07e7bf1a76e710f5df017abb07628db1781d.tar.bz2
invalidate_mapping_pages(): add cond_resched
invalidate_mapping_pages() can sometimes take a long time (millions of pages to free). Long enough for the softlockup detector to trigger. We used to have a cond_resched() in there but I took it out because the drop_caches code calls invalidate_mapping_pages() under inode_lock. The patch adds a nasty flag and puts the cond_resched() back. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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