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SubjectRe: [PATCH] mm/madvise: fix WILLNEED on SHM/ANON to actually do something
On Fri, 23 May 2014, David Herrmann wrote:

> diff --git a/mm/madvise.c b/mm/madvise.c
> index 539eeb9..a402f8f 100644
> --- a/mm/madvise.c
> +++ b/mm/madvise.c
> @@ -195,7 +195,7 @@ static void force_shm_swapin_readahead(struct vm_area_struct *vma,
> for (; start < end; start += PAGE_SIZE) {
> index = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
>
> - page = find_get_page(mapping, index);
> + page = find_get_entry(mapping, index);
> if (!radix_tree_exceptional_entry(page)) {
> if (page)
> page_cache_release(page);

This is already in -mm from Johannes, see
http://marc.info/?l=linux-kernel&m=139998616712729. Check out
http://www.ozlabs.org/~akpm/mmotm/ for this kernel.


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