Remove debris of old zone reclaim
Removes the leftovers from prior attempts to implement Zone reclaim.
sys_set_zone_reclaim is not reachable in 2.6.14.
The reclaim_pages field in struct zone is only used by sys_set_zone_reclaim.
Signed-off-by: Christoph Lameter <[email protected]>
Index: linux-2.6.15-rc4/include/linux/mmzone.h
===================================================================
--- linux-2.6.15-rc4.orig/include/linux/mmzone.h 2005-11-30 22:25:15.000000000 -0800
+++ linux-2.6.15-rc4/include/linux/mmzone.h 2005-12-05 09:57:36.000000000 -0800
@@ -150,11 +150,6 @@ struct zone {
unsigned long pages_scanned; /* since last reclaim */
int all_unreclaimable; /* All pages pinned */
- /*
- * Does the allocator try to reclaim pages from the zone as soon
- * as it fails a watermark_ok() in __alloc_pages?
- */
- int reclaim_pages;
/* A count of how many reclaimers are scanning this zone */
atomic_t reclaim_in_progress;
Index: linux-2.6.15-rc4/mm/vmscan.c
===================================================================
--- linux-2.6.15-rc4.orig/mm/vmscan.c 2005-12-03 13:34:59.000000000 -0800
+++ linux-2.6.15-rc4/mm/vmscan.c 2005-12-05 09:57:36.000000000 -0800
@@ -1394,33 +1394,3 @@ int zone_reclaim(struct zone *z, gfp_t g
}
#endif
-asmlinkage long sys_set_zone_reclaim(unsigned int node, unsigned int zone,
- unsigned int state)
-{
- struct zone *z;
- int i;
-
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
-
- if (node >= MAX_NUMNODES || !node_online(node))
- return -EINVAL;
-
- /* This will break if we ever add more zones */
- if (!(zone & (1<<ZONE_DMA|1<<ZONE_NORMAL|1<<ZONE_HIGHMEM)))
- return -EINVAL;
-
- for (i = 0; i < MAX_NR_ZONES; i++) {
- if (!(zone & 1<<i))
- continue;
-
- z = &NODE_DATA(node)->node_zones[i];
-
- if (state)
- z->reclaim_pages = 1;
- else
- z->reclaim_pages = 0;
- }
-
- return 0;
-}
-
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