diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-11-02 15:18:23 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-16 09:44:26 -0700 |
| commit | 42b2b2fb6ecf1cc11eb7e75782dd7a7a17e6d958 (patch) | |
| tree | 121e15fc1faec4ab4dec4b3221d78d7b308b56ed /block | |
| parent | b99182c501c3dedeba4c9e6c92a60df1a2fee119 (diff) | |
bio: shrink max number of pcpu cached bios
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>
Diffstat (limited to 'block')
| -rw-r--r-- | block/bio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/bio.c b/block/bio.c index 14a7105231d2..ab59a491a883 100644 --- a/block/bio.c +++ b/block/bio.c @@ -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; |