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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: linux-mm@kvack.org, mgorman@suse.de,
	kamezawa.hiroyu@jp.fujitsu.com, dhillf@gmail.com,
	aarcange@redhat.com, mhocko@suse.cz, akpm@linux-foundation.org,
	hannes@cmpxchg.org
Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: [PATCH -V5 01/14] hugetlb: rename max_hstate to hugetlb_max_hstate
Date: Sat,  7 Apr 2012 00:20:47 +0530	[thread overview]
Message-ID: <1333738260-1329-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
In-Reply-To: <1333738260-1329-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>

From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>

We will be using this from other subsystems like memcg
in later patches.

Acked-by: Michal Hocko <mhocko@suse.cz>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 mm/hugetlb.c |   14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b8ce6f4..766eb90 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -34,7 +34,7 @@ const unsigned long hugetlb_zero = 0, hugetlb_infinity = ~0UL;
 static gfp_t htlb_alloc_mask = GFP_HIGHUSER;
 unsigned long hugepages_treat_as_movable;
 
-static int max_hstate;
+static int hugetlb_max_hstate;
 unsigned int default_hstate_idx;
 struct hstate hstates[HUGE_MAX_HSTATE];
 
@@ -46,7 +46,7 @@ static unsigned long __initdata default_hstate_max_huge_pages;
 static unsigned long __initdata default_hstate_size;
 
 #define for_each_hstate(h) \
-	for ((h) = hstates; (h) < &hstates[max_hstate]; (h)++)
+	for ((h) = hstates; (h) < &hstates[hugetlb_max_hstate]; (h)++)
 
 /*
  * Protects updates to hugepage_freelists, nr_huge_pages, and free_huge_pages
@@ -1897,9 +1897,9 @@ void __init hugetlb_add_hstate(unsigned order)
 		printk(KERN_WARNING "hugepagesz= specified twice, ignoring\n");
 		return;
 	}
-	BUG_ON(max_hstate >= HUGE_MAX_HSTATE);
+	BUG_ON(hugetlb_max_hstate >= HUGE_MAX_HSTATE);
 	BUG_ON(order == 0);
-	h = &hstates[max_hstate++];
+	h = &hstates[hugetlb_max_hstate++];
 	h->order = order;
 	h->mask = ~((1ULL << (order + PAGE_SHIFT)) - 1);
 	h->nr_huge_pages = 0;
@@ -1920,10 +1920,10 @@ static int __init hugetlb_nrpages_setup(char *s)
 	static unsigned long *last_mhp;
 
 	/*
-	 * !max_hstate means we haven't parsed a hugepagesz= parameter yet,
+	 * !hugetlb_max_hstate means we haven't parsed a hugepagesz= parameter yet,
 	 * so this hugepages= parameter goes to the "default hstate".
 	 */
-	if (!max_hstate)
+	if (!hugetlb_max_hstate)
 		mhp = &default_hstate_max_huge_pages;
 	else
 		mhp = &parsed_hstate->max_huge_pages;
@@ -1942,7 +1942,7 @@ static int __init hugetlb_nrpages_setup(char *s)
 	 * But we need to allocate >= MAX_ORDER hstates here early to still
 	 * use the bootmem allocator.
 	 */
-	if (max_hstate && parsed_hstate->order >= MAX_ORDER)
+	if (hugetlb_max_hstate && parsed_hstate->order >= MAX_ORDER)
 		hugetlb_hstate_alloc_pages(parsed_hstate);
 
 	last_mhp = mhp;
-- 
1.7.10.rc3.3.g19a6c

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  reply	other threads:[~2012-04-06 18:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-06 18:50 [PATCH -V5 00/14] memcg: Add memcg extension to control HugeTLB allocation Aneesh Kumar K.V
2012-04-06 18:50 ` Aneesh Kumar K.V [this message]
2012-04-06 18:50 ` [PATCH -V5 02/14] hugetlbfs: don't use ERR_PTR with VM_FAULT* values Aneesh Kumar K.V
2012-04-06 18:50 ` [PATCH -V5 03/14] hugetlbfs: Add an inline helper for finding hstate index Aneesh Kumar K.V
2012-04-06 18:50 ` [PATCH -V5 04/14] hugetlb: Use mmu_gather instead of a temporary linked list for accumulating pages Aneesh Kumar K.V
2012-04-09  5:36   ` KAMEZAWA Hiroyuki
2012-04-06 18:50 ` [PATCH -V5 05/14] hugetlb: Avoid taking i_mmap_mutex in unmap_single_vma for hugetlb Aneesh Kumar K.V
2012-04-06 18:50 ` [PATCH -V5 06/14] hugetlb: Simplify migrate_huge_page Aneesh Kumar K.V
2012-04-09  5:47   ` KAMEZAWA Hiroyuki
2012-04-09  8:36     ` Aneesh Kumar K.V
2012-04-06 18:50 ` [PATCH -V5 07/14] memcg: Add HugeTLB extension Aneesh Kumar K.V
2012-04-09  6:04   ` KAMEZAWA Hiroyuki
2012-04-09  8:43     ` Aneesh Kumar K.V
2012-04-09  9:00       ` KAMEZAWA Hiroyuki
2012-04-06 18:50 ` [PATCH -V5 08/14] hugetlb: add charge/uncharge calls for HugeTLB alloc/free Aneesh Kumar K.V
2012-04-06 18:50 ` [PATCH -V5 09/14] memcg: track resource index in cftype private Aneesh Kumar K.V
2012-04-09  5:56   ` KAMEZAWA Hiroyuki
2012-04-06 18:50 ` [PATCH -V5 10/14] hugetlbfs: Add memcg control files for hugetlbfs Aneesh Kumar K.V
2012-04-09  6:00   ` KAMEZAWA Hiroyuki
2012-04-09  8:46     ` Aneesh Kumar K.V
2012-04-06 18:50 ` [PATCH -V5 11/14] hugetlbfs: Add a list for tracking in-use HugeTLB pages Aneesh Kumar K.V
2012-04-06 18:50 ` [PATCH -V5 12/14] memcg: move HugeTLB resource count to parent cgroup on memcg removal Aneesh Kumar K.V
2012-04-09  6:16   ` KAMEZAWA Hiroyuki
2012-04-09 10:00     ` Aneesh Kumar K.V
2012-04-10  6:55       ` KAMEZAWA Hiroyuki
2012-04-06 18:50 ` [PATCH -V5 13/14] hugetlb: migrate memcg info from oldpage to new page during migration Aneesh Kumar K.V
2012-04-06 18:51 ` [PATCH -V5 14/14] memcg: Add memory controller documentation for hugetlb management Aneesh Kumar K.V

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