commit d23ad42324cc4378132e51f2fc5c9ba6cbe75182
author Christoph Lameter <clameter@sgi.com> Sat Feb 10 01:43:02 2007 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Sun Feb 11 10:51:17 2007 -0800
tree 6844416befb3988e432e8f422f3a369e2f760d39
parent c878538598d1e7ab41ecc0de8894e34e2fdef630

[PATCH] Use ZVC for free_pages

This is again simplifies some of the VM counter calculations through the use
of the ZVC consolidated counters.

[michal.k.k.piotrowski@gmail.com: build fix]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/highmem.c

diff --git a/mm/highmem.c b/mm/highmem.c
index 0206e7e..51e1c19 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -47,7 +47,8 @@
 	unsigned int pages = 0;
 
 	for_each_online_pgdat(pgdat)
-		pages += pgdat->node_zones[ZONE_HIGHMEM].free_pages;
+		pages += zone_page_state(&pgdat->node_zones[ZONE_HIGHMEM],
+			NR_FREE_PAGES);
 
 	return pages;
 }