Re: shrink_caches inconsistancy

[Craig Christophel]

Well here is the fixed patch with __GFP_FS check removed from dqcache.  
Thanks for the note.

Craig

> > 	Possibly incorrect __GFP_FS check added to the dqcache function.  but
> > again consistancy is my goal.
>
>   This check really isn't needed for shrink_dqcache() function. This
> function can never recurse into fs so there's no need to have __GFP_FS set.

diff -urN linux/fs/dcache.c linux.mt/fs/dcache.c
--- linux/fs/dcache.c   Wed Dec  5 18:22:42 2001
+++ linux.mt/fs/dcache.c        Wed Dec  5 18:22:26 2001
@@ -543,7 +543,7 @@
  * too much.
  *
  * Priority:
- *   0 - very urgent: shrink everything
+ *   1 - very urgent: shrink everything
  *  ...
  *   6 - base-level: try to shrink a bit.
  */
diff -urN linux/fs/dquot.c linux.mt/fs/dquot.c
--- linux/fs/dquot.c    Wed Dec  5 18:22:42 2001
+++ linux.mt/fs/dquot.c Thu Dec  6 10:09:24 2001
@@ -407,11 +407,28 @@
                head = free_dquots.prev;
        }
 }
+/*
+ * This is called from kswapd when we think we need some
+ * more memory, but aren't really sure how much. So we
+ * carefully try to free a _bit_ of our dqcache, but not
+ * too much.
+ *
+ * Priority:
+ *   1 - very urgent: shrink everything
+ *   ...
+ *   6 - base-level: try to shrink a bit.
+ */

 int shrink_dqcache_memory(int priority, unsigned int gfp_mask)
 {
+       int count = 0;
+
+
        lock_kernel();
-       prune_dqcache(nr_free_dquots / (priority + 1));
+
+       count = nr_free_dquots / priority;
+
+       prune_dqcache(count);
        unlock_kernel();
        kmem_cache_shrink(dquot_cachep);
        return 0;
diff -urN linux/fs/inode.c linux.mt/fs/inode.c
--- linux/fs/inode.c    Wed Dec  5 18:22:42 2001
+++ linux.mt/fs/inode.c Wed Dec  5 18:22:26 2001
@@ -707,7 +707,17 @@
        if (goal)
                schedule_task(&unused_inodes_flush_task);
 }
-
+/*
+ * This is called from kswapd when we think we need some
+ * more memory, but aren't really sure how much. So we
+ * carefully try to free a _bit_ of our icache, but not
+ * too much.
+ *
+ * Priority:
+ *   1 - very urgent: shrink everything
+ *  ...
+ *   6 - base-level: try to shrink a bit.
+ */
 int shrink_icache_memory(int priority, int gfp_mask)
 {
        int count = 0;