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authorMikulas Patocka <mpatocka@redhat.com>2012-11-27 22:59:52 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2012-11-28 07:33:50 -0800
commit4b05a1c74d1cfae37cf6ff293ee928350f031418 (patch)
tree1b5c9507f5622fbf1affe4fc4e07ed0b60c3413e /net
parente23739b4ade80a3a7f87198f008f6c44a7cbc9fd (diff)
downloadlwn-4b05a1c74d1cfae37cf6ff293ee928350f031418.tar.gz
lwn-4b05a1c74d1cfae37cf6ff293ee928350f031418.zip
percpu-rwsem: use synchronize_sched_expedited
Use synchronize_sched_expedited() instead of synchronize_sched() to improve mount speed. This patch improves mount time from 0.500s to 0.013s for Jeff's test-case. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net')
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