Re: [patch v2] mm, hugetlb: abort __get_user_pages if current has been oom killed

On Mon, Mar 09 2015, David Rientjes wrote: > If __get_user_pages() is faulting a significant number of hugetlb pages, > usually as the result of mmap(MAP_LOCKED), it can potentially allocate a > very large amount of memory. > > If the process has been oom killed, this will cause a lot of memory t

Re: [patch v2] mm, hugetlb: abort __get_user_pages if current has been oom killed

On Mon, Mar 09, 2015 at 12:42:15AM -0700, David Rientjes wrote: > If __get_user_pages() is faulting a significant number of hugetlb pages, > usually as the result of mmap(MAP_LOCKED), it can potentially allocate a > very large amount of memory. > > If the process has been oom killed, this will cau

[patch v2] mm, hugetlb: abort __get_user_pages if current has been oom killed

If __get_user_pages() is faulting a significant number of hugetlb pages, usually as the result of mmap(MAP_LOCKED), it can potentially allocate a very large amount of memory. If the process has been oom killed, this will cause a lot of memory to be overcharged to its memcg since it has access to m