From: Johannes Weiner <hannes@cmpxchg.org>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <js1304@gmail.com>, Minchan Kim <minchan@kernel.org>,
Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH 4/4] swap: clean-up #ifdef in page_mapping()
Date: Fri, 2 Aug 2013 15:43:33 -0400 [thread overview]
Message-ID: <20130802194333.GW715@cmpxchg.org> (raw)
In-Reply-To: <1375409279-16919-4-git-send-email-iamjoonsoo.kim@lge.com>
On Fri, Aug 02, 2013 at 11:07:59AM +0900, Joonsoo Kim wrote:
> PageSwapCache() is always false when !CONFIG_SWAP, so compiler
> properly discard related code. Therefore, we don't need #ifdef explicitly.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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WARNING: multiple messages have this Message-ID (diff)
From: Johannes Weiner <hannes@cmpxchg.org>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <js1304@gmail.com>, Minchan Kim <minchan@kernel.org>,
Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH 4/4] swap: clean-up #ifdef in page_mapping()
Date: Fri, 2 Aug 2013 15:43:33 -0400 [thread overview]
Message-ID: <20130802194333.GW715@cmpxchg.org> (raw)
In-Reply-To: <1375409279-16919-4-git-send-email-iamjoonsoo.kim@lge.com>
On Fri, Aug 02, 2013 at 11:07:59AM +0900, Joonsoo Kim wrote:
> PageSwapCache() is always false when !CONFIG_SWAP, so compiler
> properly discard related code. Therefore, we don't need #ifdef explicitly.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
next prev parent reply other threads:[~2013-08-02 19:43 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-02 2:07 [PATCH 1/4] mm, page_alloc: add likely macro to help compiler optimization Joonsoo Kim
2013-08-02 2:07 ` Joonsoo Kim
2013-08-02 2:07 ` [PATCH 2/4] mm, migrate: allocation new page lazyily in unmap_and_move() Joonsoo Kim
2013-08-02 2:07 ` Joonsoo Kim
2013-08-02 19:41 ` Johannes Weiner
2013-08-02 19:41 ` Johannes Weiner
2013-08-05 7:41 ` Joonsoo Kim
2013-08-05 7:41 ` Joonsoo Kim
2013-08-02 2:07 ` [PATCH 3/4] mm: move pgtable related functions to right place Joonsoo Kim
2013-08-02 2:07 ` Joonsoo Kim
2013-08-02 2:07 ` [PATCH 4/4] swap: clean-up #ifdef in page_mapping() Joonsoo Kim
2013-08-02 2:07 ` Joonsoo Kim
2013-08-02 19:43 ` Johannes Weiner [this message]
2013-08-02 19:43 ` Johannes Weiner
2013-08-02 16:27 ` [PATCH 1/4] mm, page_alloc: add likely macro to help compiler optimization Michal Hocko
2013-08-02 16:27 ` Michal Hocko
2013-08-02 20:47 ` Johannes Weiner
2013-08-02 20:47 ` Johannes Weiner
2013-08-02 21:36 ` Michal Hocko
2013-08-02 21:36 ` Michal Hocko
2013-08-05 8:10 ` Joonsoo Kim
2013-08-05 8:10 ` Joonsoo Kim
2013-08-05 8:50 ` Joonsoo Kim
2013-08-05 8:50 ` Joonsoo Kim
2013-08-05 8:59 ` Michal Hocko
2013-08-05 8:59 ` Michal Hocko
2013-08-05 20:52 ` Johannes Weiner
2013-08-05 20:52 ` Johannes Weiner
2013-08-02 19:26 ` Johannes Weiner
2013-08-02 19:26 ` Johannes Weiner
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