From: Andrea Arcangeli <aarcange@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 8/8] Add VM counters for transparent hugepages
Date: Thu, 24 Feb 2011 05:18:51 +0100 [thread overview]
Message-ID: <20110224041851.GF31195@random.random> (raw)
In-Reply-To: <1298425922-23630-9-git-send-email-andi@firstfloor.org>
Incremental fix for your patch 8 (I doubt it was intentional).
===
Subject: thp: move THP_SPLIT from __split_huge_page_pmd to inner split_huge_page
From: Andrea Arcangeli <aarcange@redhat.com>
Provide more accurate stats by accounting every split_huge_page not only the
ones coming from pmd manipulations.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---
mm/huge_memory.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1393,6 +1393,7 @@ int split_huge_page(struct page *page)
BUG_ON(!PageSwapBacked(page));
__split_huge_page(page, anon_vma);
+ count_vm_event(THP_SPLIT);
BUG_ON(PageCompound(page));
out_unlock:
@@ -2287,9 +2288,6 @@ void __split_huge_page_pmd(struct mm_str
spin_unlock(&mm->page_table_lock);
return;
}
-
- count_vm_event(THP_SPLIT);
-
page = pmd_page(*pmd);
VM_BUG_ON(!page_count(page));
get_page(page);
--
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next prev parent reply other threads:[~2011-02-24 4:19 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-23 1:51 Fix NUMA problems in transparent hugepages v2 Andi Kleen
2011-02-23 1:51 ` [PATCH 1/8] Fix interleaving for " Andi Kleen
2011-02-23 19:26 ` Christoph Lameter
2011-02-24 23:23 ` Andrea Arcangeli
2011-02-23 1:51 ` [PATCH 2/8] Change alloc_pages_vma to pass down the policy node for local policy Andi Kleen
2011-02-23 1:51 ` [PATCH 3/8] Add alloc_page_vma_node Andi Kleen
2011-02-23 1:51 ` [PATCH 4/8] Preserve original node for transparent huge page copies Andi Kleen
2011-02-23 1:51 ` [PATCH 5/8] Use correct numa policy node for transparent hugepages Andi Kleen
2011-02-23 1:52 ` [PATCH 6/8] Add __GFP_OTHER_NODE flag Andi Kleen
2011-02-23 1:52 ` [PATCH 7/8] Use GFP_OTHER_NODE for transparent huge pages Andi Kleen
2011-02-24 4:56 ` Andrea Arcangeli
2011-02-23 1:52 ` [PATCH 8/8] Add VM counters for transparent hugepages Andi Kleen
2011-02-24 4:18 ` Andrea Arcangeli [this message]
2011-02-24 22:43 ` Dave Hansen
2011-02-24 23:15 ` Andrea Arcangeli
2011-02-24 22:43 ` Dave Hansen
2011-02-24 23:14 ` Andrea Arcangeli
2011-02-25 1:36 ` Andi Kleen
2011-02-25 0:51 ` Andrea Arcangeli
2011-02-25 1:12 ` Andi Kleen
2011-02-25 1:34 ` Andrea Arcangeli
-- strict thread matches above, loose matches on Subject: below --
2011-03-03 19:59 Fix NUMA problems in transparent hugepages and KSM Andi Kleen
2011-03-03 19:59 ` [PATCH 8/8] Add VM counters for transparent hugepages Andi Kleen
2011-03-07 8:28 ` KOSAKI Motohiro
2011-03-07 16:35 ` Andi Kleen
2011-03-08 2:43 ` KOSAKI Motohiro
2011-03-30 21:45 ` Andrew Morton
2011-03-30 23:30 ` Andi Kleen
2011-03-31 0:52 ` KOSAKI Motohiro
2011-03-31 0:56 ` Andi Kleen
2011-03-03 0:45 Fix NUMA problems in transparent hugepages and KSM Andi Kleen
2011-03-03 0:45 ` [PATCH 8/8] Add VM counters for transparent hugepages Andi Kleen
2011-03-03 9:18 ` Johannes Weiner
2011-03-03 18:09 ` Andi Kleen
2011-02-21 19:07 Fix NUMA problems in transparent hugepages and KSM Andi Kleen
2011-02-21 19:07 ` [PATCH 8/8] Add VM counters for transparent hugepages Andi Kleen
2011-02-22 16:36 ` Dave Hansen
2011-02-22 16:43 ` Andrea Arcangeli
2011-02-22 18:02 ` Andi Kleen
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