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| author |   Mikulas Patocka <mpatocka@redhat.com> | 2023-05-01 09:19:17 -0400 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@kernel.org> | 2023-06-16 18:24:13 -0400 |
| commit | 5054e778fcd9cd29ddaa8109077cd235527e4f94 (patch) | |
| tree | 9294944153f448f495b966ea80f193274a507ed1 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none (diff) | |
| download | wireguard-linux-5054e778fcd9cd29ddaa8109077cd235527e4f94.tar.xz wireguard-linux-5054e778fcd9cd29ddaa8109077cd235527e4f94.zip | |
dm crypt: allocate compound pages if possible
It was reported that allocating pages for the write buffer in dm-crypt
causes measurable overhead [1].
Change dm-crypt to allocate compound pages if they are available. If
not, fall back to the mempool.
[1] https://listman.redhat.com/archives/dm-devel/2023-February/053284.html
Suggested-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions