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| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2018-04-05 16:23:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 21:36:25 -0700 |
| commit | 03f5d58fa42fb337b921e57f8e2c2d4df7df890d (patch) | |
| tree | 57b248af904e4492b071446ae4b27f19df05c3d5 /mm/huge_memory.c | |
| parent | e92bb4dd9673945179b1fc738c9817dd91bfb629 (diff) | |
| download | lwn-03f5d58fa42fb337b921e57f8e2c2d4df7df890d.tar.gz lwn-03f5d58fa42fb337b921e57f8e2c2d4df7df890d.zip | |
mm/page_ref: use atomic_set_release in page_ref_unfreeze
page_ref_unfreeze() has exactly that semantic. No functional changes:
just minus one barrier and proper handling of PPro errata.
Link: http://lkml.kernel.org/r/151844393004.210639.4672319312617954272.stgit@buzz
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
0 files changed, 0 insertions, 0 deletions