Messages in this thread | | | Date | Thu, 3 Apr 2008 18:55:55 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [-mm] Make the memory controller more desktop responsive |
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On Thu, 03 Apr 2008 15:14:32 +0530 Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> KAMEZAWA Hiroyuki wrote: > > On Thu, 03 Apr 2008 15:02:53 +0530 > > Balbir Singh <balbir@linux.vnet.ibm.com> wrote: > >> This patch makes the memory controller more responsive on my desktop. > >> > >> Here is what the patch does > >> > >> 1. Reduces the number of retries to 2. We had 5 earlier, since we > >> were controlling swap cache as well. We pushed data from mappings > >> to swap cache and we needed additional passes to clear out the cache. > > > > Hmm, what this change improves ? > > I don't want to see OOM. > > > > I had set it to 5 earlier, since the swap cache came back to our memory > controller, where it was accounted. I have not seen OOM with it on my desktop, > but at some point if the memory required is so much that we cannot fulfill it, > we do OOM. I have not seen any OOM so far with these changes. > Hmm, I'm now testing swap-cache accounting patch. It seems I should check this value again.
Thanks, -Kame
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