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Date: Fri, 8 Aug 2014 09:11:12 -0500 (CDT) From: Christoph Lameter <cl@...ux.com> To: Geert Uytterhoeven <geert@...ux-m68k.org> cc: Joonsoo Kim <iamjoonsoo.kim@....com>, Andrew Morton <akpm@...ux-foundation.org>, Pekka Enberg <penberg@...nel.org>, David Rientjes <rientjes@...gle.com>, Linux MM <linux-mm@...ck.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Vladimir Davydov <vdavydov@...allels.com> Subject: Re: BUG: enable_cpucache failed for radix_tree_node, error 12 (was: Re: [PATCH v3 9/9] slab: remove BAD_ALIEN_MAGIC) On Fri, 8 Aug 2014, Geert Uytterhoeven wrote: > > Ok this is broken on m68k. CONFIG_NUMA is required for this to work. If > > the arch code does this despite !CONFIG_NUMA then lots of things should > > break. > > Can you please elaborate? We've been using for years... !CONFIG_NUMA leads to the assumption of a system with a single node in numerous places. F.e. in include/linux/mm.h: static inline int zone_to_nid(struct zone *zone) { #ifdef CONFIG_NUMA return zone->node; #else return 0; #endif } -- 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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