From: Andrea Arcangeli <aarcange@redhat.com>
To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
Adam Litke <agl@us.ibm.com>, Avi Kivity <avi@redhat.com>,
Izik Eidus <ieidus@redhat.com>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Nick Piggin <npiggin@suse.de>, Rik van Riel <riel@redhat.com>,
Mel Gorman <mel@csn.ul.ie>, Dave Hansen <dave@linux.vnet.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ingo Molnar <mingo@elte.hu>, Mike Travis <travis@sgi.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Christoph Lameter <cl@linux-foundation.org>,
Chris Wright <chrisw@sous-sol.org>,
bpicco@redhat.com,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Arnd Bergmann <arnd@arndb.de>,
"Michael S. Tsirkin" <mst@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: [PATCH 06 of 41] clear compound mapping
Date: Fri, 26 Mar 2010 17:48:07 +0100 [thread overview]
Message-ID: <0e23dd76bcaeae9cd53a.1269622087@v2.random> (raw)
In-Reply-To: <patchbomb.1269622081@v2.random>
From: Andrea Arcangeli <aarcange@redhat.com>
Clear compound mapping for anonymous compound pages like it already happens for
regular anonymous pages.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
---
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -629,6 +629,8 @@ static void __free_pages_ok(struct page
trace_mm_page_free_direct(page, order);
kmemcheck_free_shadow(page, order);
+ if (PageAnon(page))
+ page->mapping = NULL;
for (i = 0 ; i < (1 << order) ; ++i)
bad += free_pages_check(page + i);
if (bad)
--
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next prev parent reply other threads:[~2010-03-26 16:56 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-26 16:48 [PATCH 00 of 41] Transparent Hugepage Support #15 Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 01 of 41] define MADV_HUGEPAGE Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 02 of 41] compound_lock Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 03 of 41] alter compound get_page/put_page Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 04 of 41] update futex compound knowledge Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 05 of 41] fix bad_page to show the real reason the page is bad Andrea Arcangeli
2010-03-26 16:48 ` Andrea Arcangeli [this message]
2010-03-26 16:48 ` [PATCH 07 of 41] add native_set_pmd_at Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 08 of 41] add pmd paravirt ops Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 09 of 41] no paravirt version of pmd ops Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 10 of 41] export maybe_mkwrite Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 11 of 41] comment reminder in destroy_compound_page Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 12 of 41] config_transparent_hugepage Andrea Arcangeli
2010-03-26 16:48 ` [PATCH 13 of 41] special pmd_trans_* functions Andrea Arcangeli
-- strict thread matches above, loose matches on Subject: below --
2010-03-26 17:00 [PATCH 00 of 41] Transparent Hugepage Support #15 Andrea Arcangeli
2010-03-26 17:00 ` [PATCH 06 of 41] clear compound mapping Andrea Arcangeli
2010-03-29 18:37 [PATCH 00 of 41] Transparent Hugepage Support #16 Andrea Arcangeli
2010-03-29 18:37 ` [PATCH 06 of 41] clear compound mapping Andrea Arcangeli
2010-04-02 0:41 [PATCH 00 of 41] Transparent Hugepage Support #17 Andrea Arcangeli
2010-04-02 0:41 ` [PATCH 06 of 41] clear compound mapping Andrea Arcangeli
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