tree 43039ba93ba9302c5ff1dc10716510d104f1d8c0
parent 6818600ff094ca255a7fe31838ad50c29656c3c5
author Vitaly Wool <vitalywool@gmail.com> 1507072506 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1507078464 -0700

z3fold: fix stale list handling

Fix the situation when clear_bit() is called for page->private before
the page pointer is actually assigned.  While at it, remove work_busy()
check because it is costly and does not give 100% guarantee anyway.

Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: <Oleksiy.Avramchenko@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>