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(parent: 209b14d) | patch
fs/proc/base.c: save decrement during lookup/readdir in /proc/$PID
authorAlexey Dobriyan <adobriyan@gmail.com>
Tue, 13 Dec 2016 00:45:28 +0000 (16:45 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 13 Dec 2016 02:55:09 +0000 (18:55 -0800)
commitbac5f5d56bbcb0ef7d3a926dd28b5f1db09117b7
tree9f23c35f9c44ba0d21ff24db07c9da6afaa0bc28tree | snapshot (tar.gz zip)
parent209b14dc030760d3a17029a5c3bd92c9d6fd3f37commit | diff
fs/proc/base.c: save decrement during lookup/readdir in /proc/$PID

Comparison for "<" works equally well as comparison for "<=" but one
SUB/LEA is saved (no, it is not optimised away, at least here).

Link: http://lkml.kernel.org/r/20161122195143.GA29812@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/proc/base.c diff | blob | blame | history