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authorJens Axboe <jens.axboe@oracle.com>2007-04-02 12:06:42 +0400
committerJens Axboe <axboe@nelson.home.kernel.dk>2007-04-30 11:08:17 +0400
commit5972511b77809cb7c9ccdb79b825c54921c5c546 (patch)
tree8dec5821badf9750be04f339f0f621fab2114c8a /drivers/md/dm.c
parentb9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff)
downloadlinux-5972511b77809cb7c9ccdb79b825c54921c5c546.tar.xz
[BLOCK] Don't pin lots of memory in mempools
Currently we scale the mempool sizes depending on memory installed in the machine, except for the bio pool itself which sits at a fixed 256 entry pre-allocation. There's really no point in "optimizing" this OOM path, we just need enough preallocated to make progress. A single unit is enough, lets scale it down to 2 just to be on the safe side. This patch saves ~150kb of pinned kernel memory on a 32-bit box. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 3668b170ea68..11a98df298ec 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1012,7 +1012,7 @@ static struct mapped_device *alloc_dev(int minor)
if (!md->tio_pool)
goto bad3;
- md->bs = bioset_create(16, 16, 4);
+ md->bs = bioset_create(16, 16);
if (!md->bs)
goto bad_no_bioset;