Re: [PATCH v5 2/2] mm, thp: avoid unnecessary swapin in khugepaged

[Cyrill Gorcunov]

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 ;)