Re: [PATCH 0/3 v2] mm: Batch page reclamation under shink_page_list

2012-09-13 Thread Tim Chen
On Tue, 2012-09-11 at 14:36 +0900, Minchan Kim wrote: > > If you send next versions, please use git-format-patch --thread style. > Quote from man > " If given --thread, git-format-patch will generate In-Reply-To and > References >headers to make the second and subsequent patch mail

Re: [PATCH 0/3 v2] mm: Batch page reclamation under shink_page_list

2012-09-12 Thread Tim Chen
On Wed, 2012-09-12 at 12:27 -0700, Andrew Morton wrote: > > That sounds good, although more details on the performance changes > would be appreciated - after all, that's the entire point of the > patchset. > > And we shouldn't only test for improvements - we should also test for > degradation.

Re: [PATCH 0/3 v2] mm: Batch page reclamation under shink_page_list

2012-09-12 Thread Andrew Morton
On Mon, 10 Sep 2012 09:19:20 -0700 Tim Chen wrote: > This is the second version of the patch series. Thanks to Matthew Wilcox > for many valuable suggestions on improving the patches. > > To do page reclamation in shrink_page_list function, there are two > locks taken on a page by page basis.

Re: [PATCH 0/3 v2] mm: Batch page reclamation under shink_page_list

2012-09-10 Thread Minchan Kim
Hi Tim, On Mon, Sep 10, 2012 at 09:19:20AM -0700, Tim Chen wrote: > This is the second version of the patch series. Thanks to Matthew Wilcox > for many valuable suggestions on improving the patches. > > To do page reclamation in shrink_page_list function, there are two > locks taken on a page by

[PATCH 0/3 v2] mm: Batch page reclamation under shink_page_list

2012-09-10 Thread Tim Chen
This is the second version of the patch series. Thanks to Matthew Wilcox for many valuable suggestions on improving the patches. To do page reclamation in shrink_page_list function, there are two locks taken on a page by page basis. One is the tree lock protecting the radix tree of the page mapp