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Message-ID: <1296290898.30654.7.camel@jaguar> Date: Sat, 29 Jan 2011 10:48:18 +0200 From: Pekka Enberg <penberg@...helsinki.fi> To: Robert Jennings <rcj@...ux.vnet.ibm.com> Cc: Nitin Gupta <ngupta@...are.org>, Greg Kroah-Hartman <gregkh@...e.de>, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 3/7] [v2] zram/xvmalloc: free bit block insertion optimization 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@...ux.vnet.ibm.com> Reviewed-by: Pekka Enberg <penberg@...nel.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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