On Thu, Apr 07, 2016 at 08:28:01PM +0300, Ebru Akagunduz wrote: ... > + swap = get_mm_counter(mm, MM_SWAPENTS); > + curr_allocstall = sum_vm_event(ALLOCSTALL); > + /* > + * When system under pressure, don't swapin readahead. > + * So that avoid unnecessary resource consuming. > + */ > + if (allocstall == curr_allocstall && swap !=) > + __collapse_huge_page_swapin(mm, vma, address, pmd);
This !=) looks like someone got fun ;)