From: kirill@shutemov.name (Kirill A. Shutemov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V3] mm:add VM_BUG_ON_PAGE() for page_mapcount()
Date: Mon, 8 Dec 2014 13:54:47 +0200 [thread overview]
Message-ID: <20141208115447.GA29028@node.dhcp.inet.fi> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103E688B313FA@CNBJMBX05.corpusers.net>
On Mon, Dec 08, 2014 at 05:59:46PM +0800, Wang, Yalin wrote:
> This patch add VM_BUG_ON_PAGE() for slab page,
> because _mapcount is an union with slab struct in struct page,
> avoid access _mapcount if this page is a slab page.
> Also remove the unneeded bracket.
>
> Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
--
Kirill A. Shutemov
WARNING: multiple messages have this Message-ID (diff)
From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: "Wang, Yalin" <Yalin.Wang@sonymobile.com>
Cc: 'Hillf Danton' <hillf.zj@alibaba-inc.com>,
'linux-kernel' <linux-kernel@vger.kernel.org>,
"'linux-mm@kvack.org'" <linux-mm@kvack.org>,
"'linux-arm-kernel@lists.infradead.org'"
<linux-arm-kernel@lists.infradead.org>,
'Andrew Morton' <akpm@linux-foundation.org>
Subject: Re: [PATCH V3] mm:add VM_BUG_ON_PAGE() for page_mapcount()
Date: Mon, 8 Dec 2014 13:54:47 +0200 [thread overview]
Message-ID: <20141208115447.GA29028@node.dhcp.inet.fi> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103E688B313FA@CNBJMBX05.corpusers.net>
On Mon, Dec 08, 2014 at 05:59:46PM +0800, Wang, Yalin wrote:
> This patch add VM_BUG_ON_PAGE() for slab page,
> because _mapcount is an union with slab struct in struct page,
> avoid access _mapcount if this page is a slab page.
> Also remove the unneeded bracket.
>
> Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
--
Kirill A. Shutemov
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WARNING: multiple messages have this Message-ID (diff)
From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: "Wang, Yalin" <Yalin.Wang@sonymobile.com>
Cc: "'Hillf Danton'" <hillf.zj@alibaba-inc.com>,
"'linux-kernel'" <linux-kernel@vger.kernel.org>,
"'linux-mm@kvack.org'" <linux-mm@kvack.org>,
"'linux-arm-kernel@lists.infradead.org'"
<linux-arm-kernel@lists.infradead.org>,
"'Andrew Morton'" <akpm@linux-foundation.org>
Subject: Re: [PATCH V3] mm:add VM_BUG_ON_PAGE() for page_mapcount()
Date: Mon, 8 Dec 2014 13:54:47 +0200 [thread overview]
Message-ID: <20141208115447.GA29028@node.dhcp.inet.fi> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103E688B313FA@CNBJMBX05.corpusers.net>
On Mon, Dec 08, 2014 at 05:59:46PM +0800, Wang, Yalin wrote:
> This patch add VM_BUG_ON_PAGE() for slab page,
> because _mapcount is an union with slab struct in struct page,
> avoid access _mapcount if this page is a slab page.
> Also remove the unneeded bracket.
>
> Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
--
Kirill A. Shutemov
next prev parent reply other threads:[~2014-12-08 11:54 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-08 9:33 [PATCH] mm:add VM_BUG_ON() for page_mapcount() Hillf Danton
2014-12-08 9:33 ` Hillf Danton
2014-12-08 9:51 ` Wang, Yalin
2014-12-08 9:51 ` Wang, Yalin
2014-12-08 9:51 ` Wang, Yalin
2014-12-08 9:58 ` [PATCH V2] " Wang, Yalin
2014-12-08 9:58 ` Wang, Yalin
2014-12-08 9:58 ` Wang, Yalin
2014-12-08 9:59 ` [PATCH V3] mm:add VM_BUG_ON_PAGE() " Wang, Yalin
2014-12-08 9:59 ` Wang, Yalin
2014-12-08 9:59 ` Wang, Yalin
2014-12-08 11:54 ` Kirill A. Shutemov [this message]
2014-12-08 11:54 ` Kirill A. Shutemov
2014-12-08 11:54 ` Kirill A. Shutemov
2014-12-09 3:18 ` Hillf Danton
2014-12-09 3:18 ` Hillf Danton
2014-12-09 3:18 ` Hillf Danton
2015-06-09 16:14 ` Vlastimil Babka
2015-06-09 16:14 ` Vlastimil Babka
2015-06-09 16:14 ` Vlastimil Babka
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