On 03/18/2015 10:09 AM, Michal Hocko wrote:
> diff --git a/mm/filemap.c b/mm/filemap.c
> index 968cd8e03d2e..26f62ba79f50 100644
> --- a/mm/filemap.c
> +++ b/mm/filemap.c
> @@ -1752,7 +1752,7 @@ static int page_cache_read(struct file *file, pgoff_t offset)
> int ret;
>
> do {
> - page = page_cache_alloc_cold(mapping);
> + page = __page_cache_alloc(GFP_KERNEL|__GFP_COLD);
> if (!page)
> return -ENOMEM;
Won't this break on highmem systems, by failing to
allocate the page cache from highmem, where previously
it would?
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