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Date: Mon, 31 Aug 2015 10:30:52 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Hugh Dickins <hughd@google.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Dave Hansen <dave.hansen@intel.com>, Vlastimil Babka <vbabka@suse.cz>,
        Johannes Weiner <hannes@cmpxchg.org>, Michal Hocko <mhocko@suse.cz>,
        David Rientjes <rientjes@google.com>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: [PATCHv4 3/7] zsmalloc: use page->private instead of
 page->first_page
Message-ID: <20150831013052.GA2168@swordfish>
References: <1440683961-32839-1-git-send-email-kirill.shutemov@linux.intel.com>
 <1440683961-32839-4-git-send-email-kirill.shutemov@linux.intel.com>
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On (08/27/15 16:59), Kirill A. Shutemov wrote:
> We are going to rework how compound_head() work. It will not use
> page->first_page as we have it now.
> 
> The only other user of page->first_page beyond compound pages is
> zsmalloc.
> 
> Let's use page->private instead of page->first_page here. It occupies
> the same storage space.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Acked-by: Vlastimil Babka <vbabka@suse.cz>

Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>

	-ss