Re: [PATCH 05/14] mm, compaction: Skip pageblocks with reserved pages

2018-12-18 Thread Mel Gorman
On Tue, Dec 18, 2018 at 09:08:02AM +0100, Vlastimil Babka wrote: > On 12/15/18 12:03 AM, Mel Gorman wrote: > > Reserved pages are set at boot time, tend to be clustered and almost > > never become unreserved. When isolating pages for migrating, skip > > the entire pageblock is one PageReserved page

Re: [PATCH 05/14] mm, compaction: Skip pageblocks with reserved pages

2018-12-18 Thread Vlastimil Babka
On 12/15/18 12:03 AM, Mel Gorman wrote: > Reserved pages are set at boot time, tend to be clustered and almost > never become unreserved. When isolating pages for migrating, skip > the entire pageblock is one PageReserved page is encountered on the > grounds that it is highly probable the entire pa