vmscan: kill prev_priority completely

[pandora-kernel.git] / include / linux / mmzone.h

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9ed9c45..6e6e626 100644 (file)
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -347,21 +347,6 @@ struct zone {
        /* Zone statistics */
        atomic_long_t           vm_stat[NR_VM_ZONE_STAT_ITEMS];
 
-       /*
-        * prev_priority holds the scanning priority for this zone.  It is
-        * defined as the scanning priority at which we achieved our reclaim
-        * target at the previous try_to_free_pages() or balance_pgdat()
-        * invocation.
-        *
-        * We use prev_priority as a measure of how much stress page reclaim is
-        * under - it drives the swappiness decision: whether to unmap mapped
-        * pages.
-        *
-        * Access to both this field is quite racy even on uniprocessor.  But
-        * it is expected to average out OK.
-        */
-       int prev_priority;
-
        /*
         * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on
         * this zone's LRU.  Maintained by the pageout code.