linux-kernel - [PATCH] mm: clean up __GFP

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Date:	Mon, 23 Feb 2009 12:55:01 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mel Gorman <mel@....ul.ie>
Cc:	Linux Memory Management List <linux-mm@...ck.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Nick Piggin <npiggin@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lin Ming <ming.m.lin@...el.com>,
	Zhang Yanmin <yanmin_zhang@...ux.intel.com>
Subject: [PATCH] mm: clean up __GFP_* flags a bit

Subject: mm: clean up __GFP_* flags a bit
From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Date: Mon Feb 23 12:28:33 CET 2009

re-sort them and poke at some whitespace alignment for easier reading.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
---
 include/linux/gfp.h |   13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

Index: linux-2.6/include/linux/gfp.h
===================================================================
--- linux-2.6.orig/include/linux/gfp.h
+++ linux-2.6/include/linux/gfp.h
@@ -25,6 +25,8 @@ struct vm_area_struct;
 #define __GFP_HIGHMEM	((__force gfp_t)0x02u)
 #define __GFP_DMA32	((__force gfp_t)0x04u)
 
+#define __GFP_MOVABLE	((__force gfp_t)0x08u)  /* Page is movable */
+
 /*
  * Action modifiers - doesn't change the zoning
  *
@@ -50,16 +52,15 @@ struct vm_area_struct;
 #define __GFP_NORETRY	((__force gfp_t)0x1000u)/* See above */
 #define __GFP_COMP	((__force gfp_t)0x4000u)/* Add compound page metadata */
 #define __GFP_ZERO	((__force gfp_t)0x8000u)/* Return zeroed page on success */
-#define __GFP_NOMEMALLOC ((__force gfp_t)0x10000u) /* Don't use emergency reserves */
-#define __GFP_HARDWALL   ((__force gfp_t)0x20000u) /* Enforce hardwall cpuset memory allocs */
-#define __GFP_THISNODE	((__force gfp_t)0x40000u)/* No fallback, no policies */
+#define __GFP_NOMEMALLOC  ((__force gfp_t)0x10000u) /* Don't use emergency reserves */
+#define __GFP_HARDWALL    ((__force gfp_t)0x20000u) /* Enforce hardwall cpuset memory allocs */
+#define __GFP_THISNODE	  ((__force gfp_t)0x40000u) /* No fallback, no policies */
 #define __GFP_RECLAIMABLE ((__force gfp_t)0x80000u) /* Page is reclaimable */
-#define __GFP_MOVABLE	((__force gfp_t)0x08u)  /* Page is movable */
 
 #ifdef CONFIG_KMEMCHECK
-#define __GFP_NOTRACK	((__force gfp_t)0x200000u)  /* Don't track with kmemcheck */
+#define __GFP_NOTRACK	  ((__force gfp_t)0x100000u) /* Don't track with kmemcheck */
 #else
-#define __GFP_NOTRACK	((__force gfp_t)0)
+#define __GFP_NOTRACK	  ((__force gfp_t)0)
 #endif
 
 #define __GFP_BITS_SHIFT 22	/* Room for 22 __GFP_FOO bits */


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