From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 11 Dec 2008 10:53:43 +0000 (+0100)
Subject: bio: only mempool back the largest bio_vec slab cache
X-Git-Tag: v2.6.29-rc1~569^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ff9345ffac56743b5001561bc2dc1e041b79149;p=pandora-kernel.git

bio: only mempool back the largest bio_vec slab cache

We only very rarely need the mempool backing, so it makes sense to
get rid of all but one of the mempool in a bio_set. So keep the
largest bio_vec count mempool so we can always honor the largest
allocation, and "upgrade" callers that fail.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

Reading git-diff-tree failed