Re: [PATCH] mm/page_alloc: Do not isolate redundant pageblock

2020-11-27 Thread David Hildenbrand
On 27.11.20 17:54, David Hildenbrand wrote: > On 27.11.20 15:19, Muchun Song wrote: >> Current pageblock isolation logic could isolate each pageblock individually >> since commit d9dddbf55667 ("mm/page_alloc: prevent merging between isolated >> and other pageblocks"). So we not need to concern abou

Re: [PATCH] mm/page_alloc: Do not isolate redundant pageblock

2020-11-27 Thread David Hildenbrand
On 27.11.20 15:19, Muchun Song wrote: > Current pageblock isolation logic could isolate each pageblock individually > since commit d9dddbf55667 ("mm/page_alloc: prevent merging between isolated > and other pageblocks"). So we not need to concern about page allocator > merges buddies from different

Re: [External] Re: [PATCH] mm/page_alloc: Do not isolate redundant pageblock

2020-11-27 Thread Muchun Song
On Fri, Nov 27, 2020 at 11:17 PM Vlastimil Babka wrote: > > On 11/27/20 3:19 PM, Muchun Song wrote: > > Current pageblock isolation logic could isolate each pageblock individually > > since commit d9dddbf55667 ("mm/page_alloc: prevent merging between isolated > > and other pageblocks"). So we not

Re: [PATCH] mm/page_alloc: Do not isolate redundant pageblock

2020-11-27 Thread Vlastimil Babka
On 11/27/20 3:19 PM, Muchun Song wrote: Current pageblock isolation logic could isolate each pageblock individually since commit d9dddbf55667 ("mm/page_alloc: prevent merging between isolated and other pageblocks"). So we not need to concern about page allocator merges buddies from different page

[PATCH] mm/page_alloc: Do not isolate redundant pageblock

2020-11-27 Thread Muchun Song
Current pageblock isolation logic could isolate each pageblock individually since commit d9dddbf55667 ("mm/page_alloc: prevent merging between isolated and other pageblocks"). So we not need to concern about page allocator merges buddies from different pageblocks and changes MIGRATE_ISOLATE to some