diff options
| author | Alexey Dobriyan <[email protected]> | 2018-04-10 16:31:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2018-04-11 10:28:33 -0700 |
| commit | e7a6e291e30a00061c356bbcba0d9380943a1671 (patch) | |
| tree | 896f6dbe0a8e1b1aee688b4bd61da4cb21dd7ec4 /tools/perf/scripts/python/syscall-counts.py | |
| parent | e74a0effffbbea75fe2b6770948f84fcb0917cdd (diff) | |
proc: faster open/close of files without ->release hook
The whole point of code in fs/proc/inode.c is to make sure ->release
hook is called either at close() or at rmmod time.
All if it is unnecessary if there is no ->release hook.
Save allocation+list manipulations under spinlock in that case.
Link: http://lkml.kernel.org/r/20180214063033.GA15579@avx2
Signed-off-by: Alexey Dobriyan <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Kees Cook <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions