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| author | Jesper Dangaard Brouer <[email protected]> | 2021-04-30 06:01:55 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-04-30 18:20:43 +0000 |
| commit | 3b822017b636bf4261a644c16b01eb3900f2a9a0 (patch) | |
| tree | b1d532f844591fecd4210901517aae0a8f646c17 /fs/ext4/fast_commit.c | |
| parent | mm/page_alloc: optimize code layout for __alloc_pages_bulk (diff) | |
| download | kernel-3b822017b636bf4261a644c16b01eb3900f2a9a0.tar.gz kernel-3b822017b636bf4261a644c16b01eb3900f2a9a0.zip | |
mm/page_alloc: inline __rmqueue_pcplist
When __alloc_pages_bulk() got introduced two callers of __rmqueue_pcplist
exist and the compiler chooses to not inline this function.
./scripts/bloat-o-meter vmlinux-before vmlinux-inline__rmqueue_pcplist
add/remove: 0/1 grow/shrink: 2/0 up/down: 164/-125 (39)
Function old new delta
rmqueue 2197 2296 +99
__alloc_pages_bulk 1921 1986 +65
__rmqueue_pcplist 125 - -125
Total: Before=19374127, After=19374166, chg +0.00%
modprobe page_bench04_bulk loops=$((10**7))
Type:time_bulk_page_alloc_free_array
- Per elem: 106 cycles(tsc) 29.595 ns (step:64)
- (measurement period time:0.295955434 sec time_interval:295955434)
- (invoke count:10000000 tsc_interval:1065447105)
Before:
- Per elem: 110 cycles(tsc) 30.633 ns (step:64)
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Jesper Dangaard Brouer <[email protected]>
Signed-off-by: Mel Gorman <[email protected]>
Reviewed-by: Alexander Lobakin <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Alexander Duyck <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Chuck Lever <[email protected]>
Cc: David Miller <[email protected]>
Cc: Ilias Apalodimas <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'fs/ext4/fast_commit.c')
0 files changed, 0 insertions, 0 deletions