X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=mm%2Fpage_alloc.c;h=23bc5bcbdcf9bfec2a5446ebc870a80c4a9de012;hb=89689ae7f95995723fbcd5c116c47933a3bb8b13;hp=aa6fcc7ca66f1f8bc976b5798039c3a0672d09eb;hpb=4c1ac1b49122b805adfa4efc620592f68dccf5db;p=powerpc.git

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index aa6fcc7ca6..23bc5bcbdc 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -83,13 +83,6 @@ int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1] = {
 
 EXPORT_SYMBOL(totalram_pages);
 
-/*
- * Used by page_zone() to look up the address of the struct zone whose
- * id is encoded in the upper bits of page->flags
- */
-struct zone *zone_table[1 << ZONETABLE_SHIFT] __read_mostly;
-EXPORT_SYMBOL(zone_table);
-
 static char *zone_names[MAX_NR_ZONES] = {
 	 "DMA",
 #ifdef CONFIG_ZONE_DMA32
@@ -486,7 +479,7 @@ static void free_one_page(struct zone *zone, struct page *page, int order)
 	spin_lock(&zone->lock);
 	zone->all_unreclaimable = 0;
 	zone->pages_scanned = 0;
-	__free_one_page(page, zone ,order);
+	__free_one_page(page, zone, order);
 	spin_unlock(&zone->lock);
 }
 
@@ -926,7 +919,7 @@ int zone_watermark_ok(struct zone *z, int order, unsigned long mark,
 }
 
 /*
- * get_page_from_freeliest goes through the zonelist trying to allocate
+ * get_page_from_freelist goes through the zonelist trying to allocate
  * a page.
  */
 static struct page *
@@ -948,8 +941,8 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order,
 			zone->zone_pgdat != zonelist->zones[0]->zone_pgdat))
 				break;
 		if ((alloc_flags & ALLOC_CPUSET) &&
-				!cpuset_zone_allowed(zone, gfp_mask))
-			continue;
+			!cpuset_zone_allowed(zone, gfp_mask))
+				continue;
 
 		if (!(alloc_flags & ALLOC_NO_WATERMARKS)) {
 			unsigned long mark;
@@ -959,17 +952,18 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order,
 				mark = zone->pages_low;
 			else
 				mark = zone->pages_high;
-			if (!zone_watermark_ok(zone , order, mark,
-				    classzone_idx, alloc_flags))
+			if (!zone_watermark_ok(zone, order, mark,
+				    classzone_idx, alloc_flags)) {
 				if (!zone_reclaim_mode ||
 				    !zone_reclaim(zone, gfp_mask, order))
 					continue;
+			}
 		}
 
 		page = buffered_rmqueue(zonelist, zone, order, gfp_mask);
-		if (page) {
+		if (page)
 			break;
-		}
+
 	} while (*(++z) != NULL);
 	return page;
 }
@@ -1005,9 +999,8 @@ restart:
 	if (page)
 		goto got_pg;
 
-	do {
+	for (z = zonelist->zones; *z; z++)
 		wakeup_kswapd(*z, order);
-	} while (*(++z));
 
 	/*
 	 * OK, we're below the kswapd watermark and have kicked background
@@ -1715,20 +1708,6 @@ void zone_init_free_lists(struct pglist_data *pgdat, struct zone *zone,
 	}
 }
 
-#define ZONETABLE_INDEX(x, zone_nr)	((x << ZONES_SHIFT) | zone_nr)
-void zonetable_add(struct zone *zone, int nid, enum zone_type zid,
-		unsigned long pfn, unsigned long size)
-{
-	unsigned long snum = pfn_to_section_nr(pfn);
-	unsigned long end = pfn_to_section_nr(pfn + size);
-
-	if (FLAGS_HAS_NODE)
-		zone_table[ZONETABLE_INDEX(nid, zid)] = zone;
-	else
-		for (; snum <= end; snum++)
-			zone_table[ZONETABLE_INDEX(snum, zid)] = zone;
-}
-
 #ifndef __HAVE_ARCH_MEMMAP_INIT
 #define memmap_init(size, nid, zone, start_pfn) \
 	memmap_init_zone((size), (nid), (zone), (start_pfn))
@@ -2421,7 +2400,6 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat,
 		if (!size)
 			continue;
 
-		zonetable_add(zone, nid, j, zone_start_pfn, size);
 		ret = init_currently_empty_zone(zone, zone_start_pfn, size);
 		BUG_ON(ret);
 		zone_start_pfn += size;