Re: [ckrm-tech] Men RC on f0.3

[kai unc]

Valérie

On 02 Dec 2005 15:16:55 +0100, Valerie Clement <[EMAIL PROTECTED]> wrote:

Hi Kai,

Can you tell me if pages are swapped out running your tests with CKRM ?

Yes, Pages that belongs to restricted subclass do shrink and be swapped out.

If not, can you apply the following patch ?

I already made a correction in the f0.3 version to fix that problem, but
it is incomplete.If this patch doesn't change anything on your machine,
can you send me all the "stats" files,eg. /rcfs/stats and c1/stats, and
the output of "cat /proc/vmstat".

I add the patch and repeat the test: And it performs much better, the process
no longer hang and stay within its limit.

Thank you very much.

Best Regards,
Kai



 

Thanks,
  Valérie


diff -ruNp -X dontdiff linux-2.6.13+f0.3+mem/mm/vmscan.c linux-2.6.13+f0.3+mem1/mm/vmscan.c
--- linux-2.6.13+f0.3+mem/mm/vmscan.c   2005-12-02 11:02:28.000000000 +0100
+++ linux-2.6.13+f0.3+mem1/mm/vmscan.c  2005-12-02 11:10:58.000000000 +0100
@@ -893,6 +893,7 @@ ckrm_shrink_class(struct ckrm_mem_res *c
        sc.nr_reclaimed = 0;
        sc.priority = 0; /* always very high priority */
        sc.may_swap = 1;
+       sc.gfp_mask = GFP_KERNEL;
        sc.swap_cluster_max = SWAP_CLUSTER_MAX;

        for_each_zone(zone) {




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