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mm: do_wp_page() simplification
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 21 Aug 2020 23:49:55 +0000 (19:49 -0400)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 4 Sep 2020 16:25:20 +0000 (09:25 -0700)
commita9e8b43ca540c4980e8259dc3b218158cb8ca2f1
tree5a2d6fc65cf0a55894388444514e37daa6dd20c8tree | snapshot
parentae384c04209231c7192dde042def219ba590f0e6commit | diff
mm: do_wp_page() simplification

How about we just make sure we're the only possible valid user fo the
page before we bother to reuse it?

Simplify, simplify, simplify.

And get rid of the nasty serialization on the page lock at the same time.

[peterx: add subject prefix]

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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