mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-27 12:57:53 +00:00
Code Issues Releases Wiki Activity

bio: shrink max number of pcpu cached bios

Browse source 
The downside of the bio pcpu cache is that bios of a cpu will be never
freed unless there is new I/O issued from that cpu. We currently keep
max 512 bios, which feels too much, half it.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/bc198e8efb27d8c740d80c8ce477432729075096.1667384020.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2022-11-02 15:18:23 +00:00 committed by Jens Axboe
parent b99182c501
commit 42b2b2fb6e
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
block/bio.c
View file

@ -27,7 +27,7 @@
#define ALLOC_CACHE_THRESHOLD 16
#define ALLOC_CACHE_SLACK 64
#define ALLOC_CACHE_MAX 512
#define ALLOC_CACHE_MAX 256
struct bio_alloc_cache {
struct bio *free_list;