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authorChristoph Lameter <clameter@sgi.com>2007-02-10 01:43:05 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 10:51:18 -0800
commit05a0416be2b88d859efcbc4a4290555a04d169a1 (patch)
treeda7216a3a04625a45b952ea21f817d5cdb199530 /mm/readahead.c
parent9195481d2f869a2707a272057f3f8664fd277534 (diff)
downloadlwn-05a0416be2b88d859efcbc4a4290555a04d169a1.tar.gz
lwn-05a0416be2b88d859efcbc4a4290555a04d169a1.zip
[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>
Diffstat (limited to 'mm/readahead.c')
-rw-r--r--mm/readahead.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/mm/readahead.c b/mm/readahead.c
index 0f539e8e827a..93d9ee692fd8 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -575,10 +575,6 @@ void handle_ra_miss(struct address_space *mapping,
*/
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);
}