Re: [PATCH v2 00/10] try to reduce fragmenting fallbacks

2017-02-23 Thread Mel Gorman
On Mon, Feb 20, 2017 at 01:30:33PM +0100, Vlastimil Babka wrote: > On 02/13/2017 12:07 PM, Mel Gorman wrote: > > On Fri, Feb 10, 2017 at 06:23:33PM +0100, Vlastimil Babka wrote: > > > > By and large, I like the series, particularly patches 7 and 8. I cannot > > make up my mind about the RFC patche

Re: [PATCH v2 00/10] try to reduce fragmenting fallbacks

2017-02-20 Thread Vlastimil Babka
On 02/13/2017 12:07 PM, Mel Gorman wrote: > On Fri, Feb 10, 2017 at 06:23:33PM +0100, Vlastimil Babka wrote: > > By and large, I like the series, particularly patches 7 and 8. I cannot > make up my mind about the RFC patches 9 and 10 yet. Conceptually they > seem sound but they are much more far r

Re: [PATCH v2 00/10] try to reduce fragmenting fallbacks

2017-02-17 Thread Vlastimil Babka
On 02/16/2017 04:12 PM, Vlastimil Babka wrote: > On 02/15/2017 03:29 PM, Vlastimil Babka wrote: >> On 02/13/2017 12:07 PM, Mel Gorman wrote: >>> On Fri, Feb 10, 2017 at 06:23:33PM +0100, Vlastimil Babka wrote: >>> >>> By and large, I like the series, particularly patches 7 and 8. I cannot >>> make

Re: [PATCH v2 00/10] try to reduce fragmenting fallbacks

2017-02-16 Thread Vlastimil Babka
On 02/15/2017 03:29 PM, Vlastimil Babka wrote: > On 02/13/2017 12:07 PM, Mel Gorman wrote: >> On Fri, Feb 10, 2017 at 06:23:33PM +0100, Vlastimil Babka wrote: >> >> By and large, I like the series, particularly patches 7 and 8. I cannot >> make up my mind about the RFC patches 9 and 10 yet. Concept

Re: [PATCH v2 00/10] try to reduce fragmenting fallbacks

2017-02-15 Thread Vlastimil Babka
On 15.2.2017 17:11, Vlastimil Babka wrote: > On 02/15/2017 03:29 PM, Vlastimil Babka wrote: >> Results for patch 4 ("count movable pages when stealing from pageblock") >> are really puzzling me, as it increases the number of fragmenting events >> for reclaimable allocations, implicating "reclaimabl

Re: [PATCH v2 00/10] try to reduce fragmenting fallbacks

2017-02-15 Thread Vlastimil Babka
On 02/15/2017 03:29 PM, Vlastimil Babka wrote: > Results for patch 4 ("count movable pages when stealing from pageblock") > are really puzzling me, as it increases the number of fragmenting events > for reclaimable allocations, implicating "reclaimable placed with (i.e. > falling back to) unmovable

Re: [PATCH v2 00/10] try to reduce fragmenting fallbacks

2017-02-15 Thread Vlastimil Babka
On 02/13/2017 12:07 PM, Mel Gorman wrote: > On Fri, Feb 10, 2017 at 06:23:33PM +0100, Vlastimil Babka wrote: > > By and large, I like the series, particularly patches 7 and 8. I cannot > make up my mind about the RFC patches 9 and 10 yet. Conceptually they > seem sound but they are much more far r

Re: [PATCH v2 00/10] try to reduce fragmenting fallbacks

2017-02-13 Thread Mel Gorman
On Fri, Feb 10, 2017 at 06:23:33PM +0100, Vlastimil Babka wrote: > Hi, > > this is a v2 of [1] from last year, which was a response to Johanes' worries > about mobility grouping regressions. There are some new patches and the order > goes from cleanups to "obvious wins" towards "just RFC" (last tw