[PATCH] Drop __get_zone_counts()
Values are readily available via ZVC per node and global sums.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/readahead.c b/mm/readahead.c
index 0f539e8..93d9ee6 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -575,10 +575,6 @@
*/
unsigned long max_sane_readahead(unsigned long nr)
{
- unsigned long active;
- unsigned long inactive;
- unsigned long free;
-
- __get_zone_counts(&active, &inactive, &free, NODE_DATA(numa_node_id()));
- return min(nr, (inactive + free) / 2);
+ return min(nr, (node_page_state(numa_node_id(), NR_INACTIVE)
+ + node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);
}