From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx116.postini.com [74.125.245.116]) by kanga.kvack.org (Postfix) with SMTP id 3B4C96B028B for ; Thu, 2 May 2013 20:01:42 -0400 (EDT) Received: from /spool/local by e9.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 2 May 2013 20:01:41 -0400 Received: from d01relay07.pok.ibm.com (d01relay07.pok.ibm.com [9.56.227.147]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id F29606E8048 for ; Thu, 2 May 2013 20:01:34 -0400 (EDT) Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay07.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r4301b9b63569984 for ; Thu, 2 May 2013 20:01:37 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r4301a9o026484 for ; Thu, 2 May 2013 20:01:37 -0400 From: Cody P Schafer Subject: [RFC PATCH v3 23/31] x86: memlayout: add a arch specific inital memlayout setter. Date: Thu, 2 May 2013 17:00:55 -0700 Message-Id: <1367539263-19999-24-git-send-email-cody@linux.vnet.ibm.com> In-Reply-To: <1367539263-19999-1-git-send-email-cody@linux.vnet.ibm.com> References: <1367539263-19999-1-git-send-email-cody@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Linux MM Cc: LKML , Cody P Schafer , Simon Jeons On x86, we have numa_info specifically to track the numa layout, which is precisely the data memlayout needs, so use it to create an initial memlayout. Signed-off-by: Cody P Schafer --- arch/x86/mm/numa.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index a71c4e2..75819ef 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -32,6 +33,33 @@ __initdata #endif ; +#ifdef CONFIG_DYNAMIC_NUMA +void __init memlayout_global_init(void) +{ + struct numa_meminfo *mi = &numa_meminfo; + int i; + struct numa_memblk *blk; + struct memlayout *ml = memlayout_create(ML_INITIAL); + if (WARN_ON(!ml)) + return; + + pr_devel("x86/memlayout: adding ranges from numa_meminfo\n"); + for (i = 0; i < mi->nr_blks; i++) { + blk = mi->blk + i; + pr_devel(" adding range {%LX[%LX]-%LX[%LX]}:%d\n", + PFN_DOWN(blk->start), blk->start, + PFN_DOWN(blk->end - PAGE_SIZE / 2 - 1), + blk->end - 1, blk->nid); + memlayout_new_range(ml, PFN_DOWN(blk->start), + PFN_DOWN(blk->end - PAGE_SIZE / 2 - 1), + blk->nid); + } + pr_devel(" done adding ranges from numa_meminfo\n"); + + memlayout_commit(ml); +} +#endif + static int numa_distance_cnt; static u8 *numa_distance; -- 1.8.2.2 -- 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