Re: [PATCH v4 2/6] mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page

2021-01-13 Thread Oscar Salvador
On Wed, Jan 13, 2021 at 01:22:05PM +0800, Muchun Song wrote: > If a new hugetlb page is allocated during fallocate it will not be > marked as active (set_page_huge_active) which will result in a later > isolate_huge_page failure when the page migration code would like to > move that page. Such a

[PATCH v4 2/6] mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page

2021-01-12 Thread Muchun Song
If a new hugetlb page is allocated during fallocate it will not be marked as active (set_page_huge_active) which will result in a later isolate_huge_page failure when the page migration code would like to move that page. Such a failure would be unexpected and wrong. Only export