From: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Date: Tue, 23 Jun 2009 12:52:49 +0000 (+0100)
Subject: mm: don't rely on flags coincidence
X-Git-Tag: v2.6.31-rc1~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d26ed650d9947a786bbda8de9cd914dbeebc1a68;p=pandora-kernel.git

mm: don't rely on flags coincidence

Indeed FOLL_WRITE matches FAULT_FLAG_WRITE, matches GUP_FLAGS_WRITE,
and it's tempting to devise a set of Grand Unified Paging flags;
but not today.  So until then, let's rely upon the compiler to spot
the coincidence, "rather than have that subtle dependency and a
comment for it" - as you remarked in another context yesterday.

Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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