From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Michal Hocko <mhocko@suse.cz>
Cc: linux-mm@kvack.org, kamezawa.hiroyu@jp.fujitsu.com,
dhillf@gmail.com, rientjes@google.com, akpm@linux-foundation.org,
hannes@cmpxchg.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org
Subject: Re: [PATCH -V8 14/16] hugetlb/cgroup: add charge/uncharge calls for HugeTLB alloc/free
Date: Mon, 11 Jun 2012 15:59:11 +0530 [thread overview]
Message-ID: <8762ay5eh4.fsf@skywalker.in.ibm.com> (raw)
In-Reply-To: <20120611092133.GI12402@tiehlicka.suse.cz>
Michal Hocko <mhocko@suse.cz> writes:
> On Sat 09-06-12 14:29:59, Aneesh Kumar K.V wrote:
>> From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
>>
>> This adds necessary charge/uncharge calls in the HugeTLB code. We do
>> hugetlb cgroup charge in page alloc and uncharge in compound page destructor.
>>
>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
>> ---
>> mm/hugetlb.c | 16 +++++++++++++++-
>> mm/hugetlb_cgroup.c | 7 +------
>> 2 files changed, 16 insertions(+), 7 deletions(-)
>>
>> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
>> index bf79131..4ca92a9 100644
>> --- a/mm/hugetlb.c
>> +++ b/mm/hugetlb.c
>> @@ -628,6 +628,8 @@ static void free_huge_page(struct page *page)
>> BUG_ON(page_mapcount(page));
>>
>> spin_lock(&hugetlb_lock);
>> + hugetlb_cgroup_uncharge_page(hstate_index(h),
>> + pages_per_huge_page(h), page);
>> if (h->surplus_huge_pages_node[nid] && huge_page_order(h) < MAX_ORDER) {
>> /* remove the page from active list */
>> list_del(&page->lru);
>> @@ -1116,7 +1118,10 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma,
>> struct hstate *h = hstate_vma(vma);
>> struct page *page;
>> long chg;
>> + int ret, idx;
>> + struct hugetlb_cgroup *h_cg;
>>
>> + idx = hstate_index(h);
>> /*
>> * Processes that did not create the mapping will have no
>> * reserves and will not have accounted against subpool
>> @@ -1132,6 +1137,11 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma,
>> if (hugepage_subpool_get_pages(spool, chg))
>> return ERR_PTR(-ENOSPC);
>>
>> + ret = hugetlb_cgroup_charge_page(idx, pages_per_huge_page(h), &h_cg);
>
> So we do not have any page yet and hugetlb_cgroup_charge_cgroup sound
> more appropriate
>
Will do
-aneesh
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next prev parent reply other threads:[~2012-06-11 10:29 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-09 8:59 [PATCH -V8 00/16] hugetlb: Add HugeTLB controller to control HugeTLB allocation Aneesh Kumar K.V
2012-06-09 8:59 ` [PATCH -V8 01/16] hugetlb: rename max_hstate to hugetlb_max_hstate Aneesh Kumar K.V
2012-06-09 8:59 ` [PATCH -V8 02/16] hugetlb: don't use ERR_PTR with VM_FAULT* values Aneesh Kumar K.V
2012-06-09 11:10 ` Konrad Rzeszutek Wilk
2012-06-09 13:17 ` Aneesh Kumar K.V
2012-06-09 19:28 ` KOSAKI Motohiro
2012-06-10 1:59 ` Hillf Danton
2012-06-09 8:59 ` [PATCH -V8 03/16] hugetlb: add an inline helper for finding hstate index Aneesh Kumar K.V
2012-06-09 8:59 ` [PATCH -V8 04/16] hugetlb: use mmu_gather instead of a temporary linked list for accumulating pages Aneesh Kumar K.V
2012-06-09 8:59 ` [PATCH -V8 05/16] hugetlb: avoid taking i_mmap_mutex in unmap_single_vma() for hugetlb Aneesh Kumar K.V
2012-06-09 9:44 ` Johannes Weiner
2012-06-09 13:03 ` Aneesh Kumar K.V
2012-06-09 14:49 ` Johannes Weiner
2012-06-09 8:59 ` [PATCH -V8 06/16] hugetlb: simplify migrate_huge_page() Aneesh Kumar K.V
2012-06-12 7:31 ` Kamezawa Hiroyuki
2012-06-09 8:59 ` [PATCH -V8 07/16] hugetlb: add a list for tracking in-use HugeTLB pages Aneesh Kumar K.V
2012-06-09 8:59 ` [PATCH -V8 08/16] hugetlb: Make some static variables global Aneesh Kumar K.V
2012-06-12 7:35 ` Kamezawa Hiroyuki
2012-06-09 8:59 ` [PATCH -V8 09/16] mm/hugetlb: Add new HugeTLB cgroup Aneesh Kumar K.V
2012-06-12 7:46 ` Kamezawa Hiroyuki
2012-06-12 9:37 ` Aneesh Kumar K.V
2012-06-09 8:59 ` [PATCH -V8 10/16] hugetlb/cgroup: Add the cgroup pointer to page lru Aneesh Kumar K.V
2012-06-09 11:14 ` Konrad Rzeszutek Wilk
2012-06-09 17:04 ` Aneesh Kumar K.V
2012-06-11 8:16 ` Michal Hocko
2012-06-11 9:03 ` Aneesh Kumar K.V
2012-06-11 9:16 ` Michal Hocko
2012-06-11 9:33 ` Aneesh Kumar K.V
2012-06-11 8:41 ` Kamezawa Hiroyuki
2012-06-12 7:52 ` Kamezawa Hiroyuki
2012-06-12 9:40 ` Aneesh Kumar K.V
2012-06-09 8:59 ` [PATCH -V8 11/16] hugetlb/cgroup: Add charge/uncharge routines for hugetlb cgroup Aneesh Kumar K.V
2012-06-11 8:38 ` Michal Hocko
2012-06-11 9:10 ` Michal Hocko
2012-06-11 9:28 ` Aneesh Kumar K.V
2012-06-11 12:59 ` Michal Hocko
2012-06-11 15:35 ` Aneesh Kumar K.V
2012-06-12 8:08 ` Kamezawa Hiroyuki
2012-06-12 10:50 ` Aneesh Kumar K.V
2012-06-13 11:02 ` Kamezawa Hiroyuki
2012-06-09 8:59 ` [PATCH -V8 12/16] hugetlb/cgroup: Add support for cgroup removal Aneesh Kumar K.V
2012-06-11 8:52 ` Michal Hocko
2012-06-11 9:40 ` Aneesh Kumar K.V
2012-06-11 13:14 ` Michal Hocko
2012-06-11 15:34 ` Aneesh Kumar K.V
2012-06-12 8:23 ` Kamezawa Hiroyuki
2012-06-12 10:52 ` Aneesh Kumar K.V
2012-06-09 8:59 ` [PATCH -V8 13/16] hugetlb/cgroup: add hugetlb cgroup control files Aneesh Kumar K.V
2012-06-09 11:19 ` Konrad Rzeszutek Wilk
2012-06-11 9:02 ` Michal Hocko
2012-06-11 9:43 ` Aneesh Kumar K.V
2012-06-11 13:15 ` Michal Hocko
2012-06-12 8:35 ` Kamezawa Hiroyuki
2012-06-12 10:58 ` Aneesh Kumar K.V
2012-06-13 0:16 ` Kamezawa Hiroyuki
2012-06-09 8:59 ` [PATCH -V8 14/16] hugetlb/cgroup: add charge/uncharge calls for HugeTLB alloc/free Aneesh Kumar K.V
2012-06-09 9:23 ` Johannes Weiner
2012-06-09 13:09 ` Aneesh Kumar K.V
2012-06-09 14:30 ` Johannes Weiner
2012-06-09 15:55 ` Aneesh Kumar K.V
2012-06-11 9:19 ` Michal Hocko
2012-06-11 9:21 ` Michal Hocko
2012-06-11 10:29 ` Aneesh Kumar K.V [this message]
2012-06-09 9:00 ` [PATCH -V8 15/16] hugetlb/cgroup: migrate hugetlb cgroup info from oldpage to new page during migration Aneesh Kumar K.V
2012-06-11 9:24 ` Michal Hocko
2012-06-11 10:17 ` Aneesh Kumar K.V
2012-06-12 8:51 ` Kamezawa Hiroyuki
2012-06-12 11:00 ` Aneesh Kumar K.V
2012-06-13 11:15 ` Kamezawa Hiroyuki
2012-06-09 9:00 ` [PATCH -V8 16/16] hugetlb/cgroup: add HugeTLB controller documentation Aneesh Kumar K.V
2012-06-12 8:57 ` Kamezawa Hiroyuki
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