Re: PATCH: Improvement in shrink_mmap (take 2)

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Hi

        James Manning told me that this test is easier to optimize
        (global result is the same).

Later, Juan.
        

diff -urN --exclude-from=/home/lfcia/quintela/work/kernel/exclude ac18/mm/filemap.c prueba/mm/filemap.c
--- ac18/mm/filemap.c Thu Jun 15 00:28:22 2000
+++ prueba/mm/filemap.c Thu Jun 15 02:14:59 2000
@@ -351,7 +351,9 @@
                  * of zone - it's old.
                  */
                 if (page->buffers) {
- int wait = ((gfp_mask & __GFP_IO) && (nr_dirty-- < 0));
+ int wait = ((gfp_mask & __GFP_IO) && (--nr_dirty < 0));
+ if(nr_dirty < 0)
+ nr_dirty = priority;
                         if (!try_to_free_buffers(page, wait))
                                 goto unlock_continue;
                         /* page was locked, inode can't go away under us */

-- 
In theory, practice and theory are the same, but in practice they 
are different -- Larry McVoy
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