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Date: Tue, 12 Apr 2011 14:06:51 +0300
Message-ID: <BANLkTinLdWB+ON=TY=KHyzsrC8gC5bXg7Q@mail.gmail.com>
Subject: Re: mm: convert vma->vm_flags to 64bit
From: Alexey Dobriyan <adobriyan@gmail.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        LKML <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Hugh Dickins <hughd@google.com>, Dave Hansen <dave@linux.vnet.ibm.com>,
        KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
        Paul Mundt <lethal@linux-sh.org>,
        Russell King <linux@arm.linux.org.uk>
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On Tue, Apr 12, 2011 at 10:12 AM, KOSAKI Motohiro
<kosaki.motohiro@jp.fujitsu.com> wrote:
> After next year? All developers don't have to ignore compiler warnings!

At least add vm_flags_t which is sparse-checked, just like we do with gfp_t.

VM_SAO is ppc64 only, so it could be moved into high part,
freeing 1 bit?
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