mm: use an on-stack bio for synchronous swapin
authorChristoph Hellwig <hch@lst.de>
Wed, 25 Jan 2023 13:34:33 +0000 (14:34 +0100)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 3 Feb 2023 06:33:33 +0000 (22:33 -0800)
commit9b4e30bd7309222f74a5198f44bd45feea024b00
treeedcc9d0705f2ec7ebacdad772bd6878c2ce4aab7
parent14bd75f57400dba0e75eaee4dcb44ac52a46253f
mm: use an on-stack bio for synchronous swapin

Optimize the synchronous swap in case by using an on-stack bio instead of
allocating one using bio_alloc.

Link: https://lkml.kernel.org/r/20230125133436.447864-5-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/page_io.c