From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Date: Sun, 11 Mar 2007 07:54:05 +0000 Subject: Re: [QUICKLIST 4/6] x86_64: Single Quicklist Message-Id: <200703110854.05799.ak@suse.de> List-Id: References: <20070311020923.19905.49260.sendpatchset@schroedinger.engr.sgi.com> <20070311020944.19905.87599.sendpatchset@schroedinger.engr.sgi.com> In-Reply-To: <20070311020944.19905.87599.sendpatchset@schroedinger.engr.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Christoph Lameter Cc: linux-kernel@vger.kernel.org, ak@suse.com, linux-ia64@vger.kernel.org, holt@sgi.com, mpm@selenic.com On Sunday 11 March 2007 03:09, Christoph Lameter wrote: > x86_64: Convert to use a single quicklists > > This adds caching of pgds and puds, pmds, pte. That way we can > avoid costly zeroing and initialization of special mappings in the > pgd. > > The first patch just adds a simple implementation using a single > quicklist. As a consequence we need to zero a pgd before returning > it to the pool. This and i386 version are ok to me, although it might be better to just finish __GFP_ZERO support to do this. -Andi