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Date: Mon, 29 Aug 2011 10:29:29 +0800 From: Cong Wang <amwang@...hat.com> To: David Rientjes <rientjes@...gle.com> CC: Randy Dunlap <rdunlap@...otime.net>, Andrew Morton <akpm@...ux-foundation.org>, Stephen Rothwell <sfr@...b.auug.org.au>, gregkh@...e.de, linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org Subject: Re: [Patch] numa: introduce CONFIG_NUMA_SYSFS for drivers/base/node.c 于 2011年08月26日 04:57, David Rientjes 写道: > On Thu, 25 Aug 2011, Cong Wang wrote: > >>> No, it doesn't work, CONFIG_HUGETLBFS can be enabled with CONFIG_NUMA=y >>> and CONFIG_SYSFS=n and that uses data structures from drivers/base/node.c >>> which doesn't get compiled with this patch. >> >> So, you mean with CONFIG_NUMA=y&& CONFIG_SYSFS=n&& CONFIG_HUGETLBFS=y >> we still get compile error? >> >> Which data structures are used by hugetlbfs? >> > > node_states[], which is revealed at link time if you tried to compile your > patch. It's obvious that we don't want to add per-node hugetlbfs > attributes to sysfs directories if sysfs is disabled, so you need to > modify the hugetlbfs code as well. Makes sense. Thanks! -- 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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