From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 13 Jun 2007 08:15:49 -0500 From: Matt Mackall Subject: Re: [PATCH] slob: poor man's NUMA, take 2. Message-ID: <20070613131549.GZ11115@waste.org> References: <20070613031203.GB15009@linux-sh.org> <20070613032857.GN11115@waste.org> <20070613092109.GA16526@linux-sh.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070613092109.GA16526@linux-sh.org> Sender: owner-linux-mm@kvack.org Return-Path: To: Paul Mundt , Christoph Lameter , Nick Piggin , Andrew Morton , linux-mm@kvack.org List-ID: On Wed, Jun 13, 2007 at 06:21:09PM +0900, Paul Mundt wrote: > Here's an updated copy with the node variants always defined. > > I've left the nid=-1 case in as the default for the non-node variants, as > this is the approach also used by SLUB. alloc_pages() is special cased > for NUMA, and takes the memory policy under advisement when doing the > allocation, so the page ends up in a reasonable place. > > +void *__kmalloc(size_t size, gfp_t gfp) > +{ > + return __kmalloc_node(size, gfp, -1); > +} > EXPORT_SYMBOL(__kmalloc); > +void *kmem_cache_alloc(struct kmem_cache *c, gfp_t flags) > +{ > + return kmem_cache_alloc_node(c, flags, -1); > +} > EXPORT_SYMBOL(kmem_cache_alloc); Now promote these guys to inlines in slab.h. At which point all the new NUMA code become a no-op on !NUMA. -- Mathematics is the supreme nostalgia of our time. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org