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Date: Mon, 22 Nov 2010 08:59:57 +0000 From: "Kleen, Andi" <andi.kleen@...el.com> To: Andrew Morton <akpm@...ux-foundation.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> CC: "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "minchan.kim@...il.com" <minchan.kim@...il.com>, Bob Liu <lliubbo@...il.com>, "fujita.tomonori@....ntt.co.jp" <fujita.tomonori@....ntt.co.jp>, "m.nazarewicz@...sung.com" <m.nazarewicz@...sung.com>, "pawel@...iak.com" <pawel@...iak.com>, "felipe.contreras@...il.com" <felipe.contreras@...il.com>, "kosaki.motohiro@...fujitsu.com" <kosaki.motohiro@...fujitsu.com> Subject: RE: [PATCH 0/4] big chunk memory allocator v4 > > But yes, because of fragmentation, this cannot guarantee 100% > alloc. > > If alloc_contig_pages() is called in system boot up or movable_zone > is used, > > this allocation succeeds at high rate. > > So this is an alternatve implementation for the functionality offered > by Michal's "The Contiguous Memory Allocator framework". I see them more as orthogonal: Michal's code relies on preallocation and manages the memory after that. This code supplies the infrastructure to replace preallocation with just using movable zones. -Andi -- 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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