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Message-Id: <20090428014920.217785938@intel.com>
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Date: Tue, 28 Apr 2009 09:09:08 +0800
From: Wu Fengguang <fengguang.wu@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Wu Fengguang <fengguang.wu@intel.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
CC: Andi Kleen <andi@firstfloor.org>,
       "linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: [PATCH 1/5] pagemap: document clarifications
Content-Disposition: inline; filename=kpageflags-doc-fix.patch
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Some bit ranges were inclusive and some not.
Fix them to be consistently inclusive.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 Documentation/vm/pagemap.txt |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- mm.orig/Documentation/vm/pagemap.txt
+++ mm/Documentation/vm/pagemap.txt
@@ -12,9 +12,9 @@ There are three components to pagemap:
    value for each virtual page, containing the following data (from
    fs/proc/task_mmu.c, above pagemap_read):
 
-    * Bits 0-55  page frame number (PFN) if present
+    * Bits 0-54  page frame number (PFN) if present
     * Bits 0-4   swap type if swapped
-    * Bits 5-55  swap offset if swapped
+    * Bits 5-54  swap offset if swapped
     * Bits 55-60 page shift (page size = 1<<page shift)
     * Bit  61    reserved for future use
     * Bit  62    page swapped
@@ -36,7 +36,7 @@ There are three components to pagemap:
  * /proc/kpageflags.  This file contains a 64-bit set of flags for each
    page, indexed by PFN.
 
-   The flags are (from fs/proc/proc_misc, above kpageflags_read):
+   The flags are (from fs/proc/page.c, above kpageflags_read):
 
      0. LOCKED
      1. ERROR

--