From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Mackerras Date: Tue, 13 Mar 2007 00:37:32 +0000 Subject: Re: [QUICKLIST 0/6] Arch independent quicklists V1 Message-Id: <17909.62028.117035.287313@cargo.ozlabs.ibm.com> List-Id: References: <20070311020923.19905.49260.sendpatchset@schroedinger.engr.sgi.com> <20070312.155157.74747634.davem@davemloft.net> In-Reply-To: <20070312.155157.74747634.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: David Miller Cc: clameter@sgi.com, linux-kernel@vger.kernel.org, ak@suse.com, holt@sgi.com, linux-ia64@vger.kernel.org, mpm@selenic.com David Miller writes: > I ported this to sparc64 as per the patch below, tested on > UP SunBlade1500 and 24 cpu Niagara T1000. Did you see any performance improvement? We used to have quicklists on ppc, but I remain to be convinced that they actually help. Also, I didn't understand why we have to do quicklists to take advantage of the fact that the pages are in a pristine state when they are freed. I thought the whole point of the slab allocator was to be able to take advantage of that... Paul.