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(parent: 2199c2c) | patch
vfree: don't schedule free_work() if llist_add() returns false
authorOleg Nesterov <oleg@redhat.com>
Mon, 8 Jul 2013 23:00:08 +0000 (16:00 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 9 Jul 2013 17:33:22 +0000 (10:33 -0700)
commitf2c48ffd54e5191ac9b91e6cd95d3b901aed8a3a
treef780fd6c6883edfbcdf2101e74941265d8e8a18btree | snapshot
parent2199c2c9de30990eef68d61a9d3ed11b5986cfb3commit | diff
vfree: don't schedule free_work() if llist_add() returns false

vfree() only needs schedule_work(&p->wq) if p->list was empty, otherwise
vfree_deferred->wq is already pending or it is running and didn't do
llist_del_all() yet.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/vmalloc.c diff | blob | history
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