Re: [patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-14 Thread Johannes Weiner
On Fri, Feb 14, 2014 at 03:05:41PM +0900, Tetsuo Handa wrote: > Johannes Weiner wrote: > > Thanks for the report. There is already a fix for this in -mm: > > http://marc.info/?l=linux-mm-commits&m=139180637114625&w=2 > > > > It was merged on the 7th, so it should show up in -next... any day > > n

Re: [patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-13 Thread Tetsuo Handa
Johannes Weiner wrote: > Thanks for the report. There is already a fix for this in -mm: > http://marc.info/?l=linux-mm-commits&m=139180637114625&w=2 > > It was merged on the 7th, so it should show up in -next... any day > now? That patch solved this bproblem but breaks build instead. ERROR: \

Re: [patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-13 Thread Stephen Rothwell
Hi Andrew, On Thu, 13 Feb 2014 14:24:07 -0800 Andrew Morton wrote: > > On Thu, 13 Feb 2014 17:11:26 -0500 Johannes Weiner wrote: > > > On Thu, Feb 13, 2014 at 12:21:17PM +0900, Tetsuo Handa wrote: > > > Hello. > > > > > > I got a lockdep warning shown below, and the bad commit seems to be >

Re: [patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-13 Thread Andrew Morton
On Thu, 13 Feb 2014 17:11:26 -0500 Johannes Weiner wrote: > Hi Tetsuo, > > On Thu, Feb 13, 2014 at 12:21:17PM +0900, Tetsuo Handa wrote: > > Hello. > > > > I got a lockdep warning shown below, and the bad commit seems to be de055616 > > \"mm: keep page cache radix tree nodes in check\" as of ne

Re: [patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-13 Thread Johannes Weiner
Hi Tetsuo, On Thu, Feb 13, 2014 at 12:21:17PM +0900, Tetsuo Handa wrote: > Hello. > > I got a lockdep warning shown below, and the bad commit seems to be de055616 > \"mm: keep page cache radix tree nodes in check\" as of next-20140212 > on linux-next.git. Thanks for the report. There is already

Re: [patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-12 Thread Tetsuo Handa
Hello. I got a lockdep warning shown below, and the bad commit seems to be de055616 \"mm: keep page cache radix tree nodes in check\" as of next-20140212 on linux-next.git. Regards. = [ INFO: possible irq lock inversion dependency detected

Re: [patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-04 Thread Johannes Weiner
On Tue, Feb 04, 2014 at 03:14:24PM -0800, Andrew Morton wrote: > On Mon, 3 Feb 2014 19:53:32 -0500 Johannes Weiner wrote: > > > o Fix vmstat build problems on UP (Fengguang Wu's build bot) > > > > o Clarify why optimistic radix_tree_node->private_list link checking > > is safe without holding

Re: [patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-04 Thread Andrew Morton
On Mon, 3 Feb 2014 19:53:32 -0500 Johannes Weiner wrote: > o Fix vmstat build problems on UP (Fengguang Wu's build bot) > > o Clarify why optimistic radix_tree_node->private_list link checking > is safe without holding the list_lru lock (Dave Chinner) > > o Assert locking balance when the li

[patch 00/10] mm: thrash detection-based file cache sizing v9

2014-02-03 Thread Johannes Weiner
Changes in this revision o Fix vmstat build problems on UP (Fengguang Wu's build bot) o Clarify why optimistic radix_tree_node->private_list link checking is safe without holding the list_lru lock (Dave Chinner) o Assert locking balance when the list_lru isolator says it dropped the

[patch 00/10] mm: thrash detection-based file cache sizing

2013-05-30 Thread Johannes Weiner
The VM maintains cached filesystem pages on two types of lists. One list holds the pages recently faulted into the cache, the other list holds pages that have been referenced repeatedly on that first list. The idea is to prefer reclaiming young pages over those that have shown to benefit from cach