[PATCH] vm: try_to_free_pages unused argument

try_to_free_pages accepts a third argument, order, but hasn't used it since
before 2.6.0.  The following patch removes the argument and updates all the
calls to try_to_free_pages.

Signed-off-by: Darren Hart <dvhltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/buffer.c b/fs/buffer.c
index 7e9e409..0befa72 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -528,7 +528,7 @@ static void free_more_memory(void)
        for_each_pgdat(pgdat) {
                zones = pgdat->node_zonelists[GFP_NOFS&GFP_ZONEMASK].zones;
                if (*zones)
-                       try_to_free_pages(zones, GFP_NOFS, 0);
+                       try_to_free_pages(zones, GFP_NOFS);
        }
 }
 

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 0d21e68..2343f99 100644 (file)
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -172,7 +172,7 @@ extern int rotate_reclaimable_page(struct page *page);
 extern void swap_setup(void);
 
 /* linux/mm/vmscan.c */
-extern int try_to_free_pages(struct zone **, unsigned int, unsigned int);
+extern int try_to_free_pages(struct zone **, unsigned int);
 extern int zone_reclaim(struct zone *, unsigned int, unsigned int);
 extern int shrink_all_memory(int);
 extern int vm_swappiness;

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 95cbd30..70f7102 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -859,7 +859,7 @@ rebalance:
        reclaim_state.reclaimed_slab = 0;
        p->reclaim_state = &reclaim_state;
 
-       did_some_progress = try_to_free_pages(zones, gfp_mask, order);
+       did_some_progress = try_to_free_pages(zones, gfp_mask);
 
        p->reclaim_state = NULL;
        p->flags &= ~PF_MEMALLOC;

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 24da725..4b8e62a 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -919,8 +919,7 @@ shrink_caches(struct zone **zones, struct scan_control *sc)
  * holds filesystem locks which prevent writeout this might not work, and the
  * allocation attempt will fail.
  */
-int try_to_free_pages(struct zone **zones,
-               unsigned int gfp_mask, unsigned int order)
+int try_to_free_pages(struct zone **zones, unsigned int gfp_mask)
 {
        int priority;
        int ret = 0;