From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx181.postini.com [74.125.245.181]) by kanga.kvack.org (Postfix) with SMTP id 325D96B0075 for ; Fri, 15 Jun 2012 08:41:45 -0400 (EDT) Received: from /spool/local by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 15 Jun 2012 18:11:42 +0530 Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay02.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q5FCfR483867028 for ; Fri, 15 Jun 2012 18:11:27 +0530 Received: from d28av01.in.ibm.com (loopback [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q5FIB0WM024818 for ; Fri, 15 Jun 2012 23:41:02 +0530 From: "Aneesh Kumar K.V" Subject: [PATCH -V3 1/4] hugeltb: Mark hugelb_max_hstate __read_mostly Date: Fri, 15 Jun 2012 18:11:19 +0530 Message-Id: <1339764082-1611-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> In-Reply-To: <1339764082-1611-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1339764082-1611-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, kamezawa.hiroyu@jp.fujitsu.com, dhillf@gmail.com, rientjes@google.com, mhocko@suse.cz, akpm@linux-foundation.org, hannes@cmpxchg.org Cc: linux-kernel@vger.kernel.org, "Aneesh Kumar K.V" From: "Aneesh Kumar K.V" We set this value only during boot. Signed-off-by: Aneesh Kumar K.V --- include/linux/hugetlb.h | 2 +- mm/hugetlb.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 9650bb1..0f0877e 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -23,7 +23,7 @@ struct hugepage_subpool { }; extern spinlock_t hugetlb_lock; -extern int hugetlb_max_hstate; +extern int hugetlb_max_hstate __read_mostly; #define for_each_hstate(h) \ for ((h) = hstates; (h) < &hstates[hugetlb_max_hstate]; (h)++) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index a5a30bf..c57740b 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -37,7 +37,7 @@ const unsigned long hugetlb_zero = 0, hugetlb_infinity = ~0UL; static gfp_t htlb_alloc_mask = GFP_HIGHUSER; unsigned long hugepages_treat_as_movable; -int hugetlb_max_hstate; +int hugetlb_max_hstate __read_mostly; unsigned int default_hstate_idx; struct hstate hstates[HUGE_MAX_HSTATE]; -- 1.7.10 -- 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