[PATCH] mm redo ALLOC_* flag names again

[Paul Jackson <pj@sgi.com>]

More consistent mm/page_alloc.c ALLOC_* flag names.

Signed-off-by: Paul Jackson <pj@sgi.com>

---

 mm/page_alloc.c |   28 ++++++++++++++--------------
 1 files changed, 14 insertions(+), 14 deletions(-)

--- 2.6.14-mm2.orig/mm/page_alloc.c	2005-11-13 10:32:33.090792563 -0800
+++ 2.6.14-mm2/mm/page_alloc.c	2005-11-15 11:00:30.967888018 -0800
@@ -755,10 +755,10 @@ buffered_rmqueue(struct zone *zone, int 
 	return page;
 }
 
-#define ALLOC_DONT_DIP	0x01 	/* don't dip into memory reserves */
-#define ALLOC_DIP_SOME	0x02 	/* dip into reserves some */
-#define ALLOC_DIP_ALOT	0x04 	/* dip into reserves further */
-#define ALLOC_MUSTHAVE	0x08 	/* ignore all constraints */
+#define ALLOC_DIP_NONE	0x01 	/* don't dip into memory reserves */
+#define ALLOC_DIP_LESS	0x02 	/* dip into reserves some */
+#define ALLOC_DIP_MORE	0x04 	/* dip into reserves further */
+#define ALLOC_DIP_FULL	0x08 	/* ignore all constraints */
 
 /*
  * Return 1 if free pages are above 'mark'. This takes into account the order
@@ -771,9 +771,9 @@ int zone_watermark_ok(struct zone *z, in
 	long min = mark, free_pages = z->free_pages - (1 << order) + 1;
 	int o;
 
-	if (alloc_flags & ALLOC_DIP_SOME)
+	if (alloc_flags & ALLOC_DIP_LESS)
 		min -= min / 2;
-	if (alloc_flags & ALLOC_DIP_ALOT)
+	if (alloc_flags & ALLOC_DIP_MORE)
 		min -= min / 4;
 
 	if (free_pages <= min + z->lowmem_reserve[classzone_idx])
@@ -814,8 +814,8 @@ get_page_from_freelist(gfp_t gfp_mask, u
 	 * See also cpuset_zone_allowed() comment in kernel/cpuset.c.
 	 */
 	do {
-		if (!(alloc_flags & ALLOC_MUSTHAVE)) {
-			if (alloc_flags == ALLOC_DONT_DIP)
+		if (!(alloc_flags & ALLOC_DIP_FULL)) {
+			if (alloc_flags == ALLOC_DIP_NONE)
 				gfp_mask |= __GFP_HARDWALL;
 			if (!cpuset_zone_allowed(*z, gfp_mask))
 				continue;
@@ -911,7 +911,7 @@ __alloc_pages(gfp_t gfp_mask, unsigned i
 	}
 restart:
 	page = get_page_from_freelist(gfp_mask, order,
-				zonelist, ALLOC_DONT_DIP);
+				zonelist, ALLOC_DIP_NONE);
 	if (page)
 		goto got_pg;
 
@@ -927,13 +927,13 @@ restart:
 	 * The caller may dip into page reserves a bit more if the caller
 	 * cannot run direct reclaim, or if the caller has realtime scheduling
 	 * policy or is asking for __GFP_HIGH memory.  GFP_ATOMIC requests will
-	 * set both ALLOC_DIP_ALOT (!wait) and ALLOC_DIP_SOME (__GFP_HIGH).
+	 * set both ALLOC_DIP_MORE (!wait) and ALLOC_DIP_LESS (__GFP_HIGH).
 	 */
 	alloc_flags = 0;
 	if ((unlikely(rt_task(p)) && !in_interrupt()) || !wait)
-		alloc_flags |= ALLOC_DIP_ALOT;
+		alloc_flags |= ALLOC_DIP_MORE;
 	if (gfp_mask & __GFP_HIGH)
-		alloc_flags |= ALLOC_DIP_SOME;
+		alloc_flags |= ALLOC_DIP_LESS;
 
 	page = get_page_from_freelist(gfp_mask, order, zonelist, alloc_flags);
 	if (page)
@@ -947,7 +947,7 @@ restart:
 nofail_alloc:
 			/* go through the zonelist yet again, ignoring mins */
 			page = get_page_from_freelist(gfp_mask, order,
-				zonelist, ALLOC_MUSTHAVE);
+				zonelist, ALLOC_DIP_FULL);
 			if (page)
 				goto got_pg;
 			if (gfp_mask & __GFP_NOFAIL) {
@@ -991,7 +991,7 @@ rebalance:
 		 * under heavy pressure.
 		 */
 		page = get_page_from_freelist(gfp_mask, order,
-						zonelist, ALLOC_DONT_DIP);
+						zonelist, ALLOC_DIP_NONE);
 		if (page)
 			goto got_pg;
 

-- 
                          I won't rest till it's the best ...
                          Programmer, Linux Scalability
                          Paul Jackson <pj@sgi.com> 1.650.933.1373
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