From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: yalin wang <yalin.wang2010@gmail.com>
Cc: akpm@linux-foundation.org, vbabka@suse.cz,
mgorman@techsingularity.net, mhocko@suse.com,
rientjes@google.com, js1304@gmail.com,
kirill.shutemov@linux.intel.com, hannes@cmpxchg.org,
alexander.h.duyck@redhat.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] mm, page_alloc: reserve pageblocks for high-order atomic allocations on demand -fix
Date: Tue, 13 Oct 2015 12:08:50 +0300 [thread overview]
Message-ID: <20151013090850.GA11942@node> (raw)
In-Reply-To: <1444700544-22666-1-git-send-email-yalin.wang2010@gmail.com>
On Tue, Oct 13, 2015 at 09:42:24AM +0800, yalin wang wrote:
> There is a redundant check and a memory leak introduced by a patch in
> mmotm. This patch removes an unlikely(order) check as we are sure order
> is not zero at the time. It also checks if a page is already allocated
> to avoid a memory leak.
>
> This is a fix to the mmotm patch
> mm-page_alloc-reserve-pageblocks-for-high-order-atomic-allocations-on-demand.patch
>
> Signed-off-by: yalin wang <yalin.wang2010@gmail.com>
> Acked-by: Mel Gorman <mgorman@techsingularity.net>
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: yalin wang <yalin.wang2010@gmail.com>
Cc: akpm@linux-foundation.org, vbabka@suse.cz,
mgorman@techsingularity.net, mhocko@suse.com,
rientjes@google.com, js1304@gmail.com,
kirill.shutemov@linux.intel.com, hannes@cmpxchg.org,
alexander.h.duyck@redhat.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] mm, page_alloc: reserve pageblocks for high-order atomic allocations on demand -fix
Date: Tue, 13 Oct 2015 12:08:50 +0300 [thread overview]
Message-ID: <20151013090850.GA11942@node> (raw)
In-Reply-To: <1444700544-22666-1-git-send-email-yalin.wang2010@gmail.com>
On Tue, Oct 13, 2015 at 09:42:24AM +0800, yalin wang wrote:
> There is a redundant check and a memory leak introduced by a patch in
> mmotm. This patch removes an unlikely(order) check as we are sure order
> is not zero at the time. It also checks if a page is already allocated
> to avoid a memory leak.
>
> This is a fix to the mmotm patch
> mm-page_alloc-reserve-pageblocks-for-high-order-atomic-allocations-on-demand.patch
>
> Signed-off-by: yalin wang <yalin.wang2010@gmail.com>
> Acked-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
--
Kirill A. Shutemov
next prev parent reply other threads:[~2015-10-13 9:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-13 1:42 [PATCH V2] mm, page_alloc: reserve pageblocks for high-order atomic allocations on demand -fix yalin wang
2015-10-13 1:42 ` yalin wang
2015-10-13 7:23 ` Vlastimil Babka
2015-10-13 7:23 ` Vlastimil Babka
2015-10-13 9:08 ` Kirill A. Shutemov [this message]
2015-10-13 9:08 ` Kirill A. Shutemov
2015-10-14 2:34 ` David Rientjes
2015-10-14 2:34 ` David Rientjes
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