Re: [PATCH 5/6] mm: hugetlb: fix a race between isolating and freeing page

2021-01-04 Thread Mike Kravetz
On 1/3/21 10:58 PM, Muchun Song wrote: > There is a race between isolate_huge_page() and __free_huge_page(). > > CPU0: CPU1: > > if (PageHuge(page)) > put_page(page) > _

[PATCH 5/6] mm: hugetlb: fix a race between isolating and freeing page

2021-01-03 Thread Muchun Song
There is a race between isolate_huge_page() and __free_huge_page(). CPU0: CPU1: if (PageHuge(page)) put_page(page) __free_huge_page(page)