From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx202.postini.com [74.125.245.202]) by kanga.kvack.org (Postfix) with SMTP id 9E3E66B0002 for ; Wed, 3 Apr 2013 10:02:48 -0400 (EDT) Date: Wed, 3 Apr 2013 16:02:47 +0200 From: Michal Hocko Subject: Re: [PATCH] mm, x86: Do not zero hugetlbfs pages at boot. -v2 Message-ID: <20130403140247.GJ16471@dhcp22.suse.cz> References: <20130314085138.GA11636@dhcp22.suse.cz> <20130403024344.GA4384@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130403024344.GA4384@sgi.com> Sender: owner-linux-mm@kvack.org List-ID: To: Robin Holt Cc: Cliff Wickman , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, wli@holomorphy.com On Tue 02-04-13 21:43:44, Robin Holt wrote: [...] > diff --git a/mm/hugetlb.c b/mm/hugetlb.c > index ca9a7c6..7683f6a 100644 > --- a/mm/hugetlb.c > +++ b/mm/hugetlb.c > @@ -1185,7 +1185,7 @@ int __weak alloc_bootmem_huge_page(struct hstate *h) > while (nr_nodes) { > void *addr; > > - addr = __alloc_bootmem_node_nopanic( > + addr = __alloc_bootmem_node_nopanic_notzeroed( > NODE_DATA(hstate_next_node_to_alloc(h, > &node_states[N_MEMORY])), > huge_page_size(h), huge_page_size(h), 0); Ohh, and powerpc seems to have its own opinion how to allocate huge pages. See arch/powerpc/mm/hugetlbpage.c -- Michal Hocko SUSE Labs -- 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