Re: [PATCH v3 1/2] mm/compaction: count pages and stop correctly during page isolation.

2020-11-02 Thread Vlastimil Babka
On 10/30/20 7:38 PM, Zi Yan wrote: From: Zi Yan In isolate_migratepages_block, when cc->alloc_contig is true, we are able to isolate compound pages, nr_migratepages and nr_isolated did not count compound pages correctly, causing us to isolate more pages than we thought. Count compound pages as

[PATCH v3 1/2] mm/compaction: count pages and stop correctly during page isolation.

2020-10-30 Thread Zi Yan
From: Zi Yan In isolate_migratepages_block, when cc->alloc_contig is true, we are able to isolate compound pages, nr_migratepages and nr_isolated did not count compound pages correctly, causing us to isolate more pages than we thought. Count compound pages as the number of base pages they contain