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| author | Andrea Arcangeli <aarcange@redhat.com> | 2017-02-22 15:42:37 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-22 16:41:28 -0800 |
| commit | 90794bf19dc19691a16b71bcd75c04094d9e392d (patch) | |
| tree | 96c80c3f2d4b0aa5b72ab5965269e7050fec4185 /fs/tracefs | |
| parent | 72f87654c69690ff4721bd9b4a39983f971de9a5 (diff) | |
| download | linux-stable-90794bf19dc19691a16b71bcd75c04094d9e392d.tar.gz linux-stable-90794bf19dc19691a16b71bcd75c04094d9e392d.tar.bz2 linux-stable-90794bf19dc19691a16b71bcd75c04094d9e392d.zip | |
userfaultfd: non-cooperative: optimize mremap_userfaultfd_complete()
Optimize the mremap_userfaultfd_complete() interface to pass only the
vm_userfaultfd_ctx pointer through the stack as a microoptimization.
Link: http://lkml.kernel.org/r/20161216144821.5183-13-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reported-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Acked-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Michael Rapoport <RAPOPORT@il.ibm.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/tracefs')
0 files changed, 0 insertions, 0 deletions