Messages in this thread | | | Subject | Re: [PATCH 3/7] [v2] zram/xvmalloc: free bit block insertion optimization | From | Pekka Enberg <> | Date | Sat, 29 Jan 2011 10:48:18 +0200 |
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On Fri, 2011-01-28 at 08:58 -0600, Robert Jennings wrote: > This change is in a conditional block which is entered only when there is > an existing data block on the freelist where the insert has taken place. > > The new block is pushed onto the freelist stack and this conditional block > is updating links in the prior stack head to point to the new stack head. > After this conditional block the first-/second-level indices are updated > to indicate that there is a free block at this location. > > This patch adds an immediate return from the conditional block to avoid > setting bits again to indicate a free block on this freelist. The bits > would already be set because there was an existing free block on this > freelist. > > Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
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