On 14.03.2019 11:52, Pankaj Suryawanshi wrote: > > I am using kernel version 4.14.65 (on Android pie [ARM]). > > No additional patches applied on top of vanilla.(Core MM). > > If I change in the vmscan.c as below patch, it will work.
Sorry, but 4.14.65 does not have braces around trylock_page(), like in your patch below. See https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/mm/vmscan.c?h=v4.14.65 [...] >> diff --git a/mm/vmscan.c b/mm/vmscan.c >> index be56e2e..2e51edc 100644 >> --- a/mm/vmscan.c >> +++ b/mm/vmscan.c >> @@ -990,15 +990,17 @@ static unsigned long shrink_page_list(struct list_head >> *page_list, >> page = lru_to_page(page_list); >> list_del(&page->lru); >> >> if (!trylock_page(page)) { >> goto keep; >> }
