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(parent: 6d51363) | patch
mm: uninline kstrdup()
authorAlexey Dobriyan <adobriyan@gmail.com>
Tue, 28 Feb 2023 15:34:38 +0000 (18:34 +0300)
committerAndrew Morton <akpm@linux-foundation.org>
Sat, 8 Apr 2023 20:45:37 +0000 (13:45 -0700)
commit2a6772ebf05a9b6bc450e42bbb459f6327f68aca
tree76fe43ab8ac8adac47b9af33aca8edeb04707a87tree | snapshot
parent6d51363d53db4f5f11a13509ef28e917b97eb2b3commit | diff
mm: uninline kstrdup()

gcc inlines kstrdup into kstrdup_const() but it can very efficiently tail
call into it instead:

$ ./scripts/bloat-o-meter ../vmlinux-000 ../obj/vmlinux
add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-84 (-84)
Function                                     old     new   delta
kstrdup_const                                119      35     -84

Link: https://lkml.kernel.org/r/Y/4fDlbIhTLNLFHz@p183
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/util.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git