Re: [PATCH v3 10/11] zram: use rw_semaphore for decompression streams

[Sergey Senozhatsky]

On (26/10/15 10:41), Sergey Senozhatsky wrote:
[..]
> +	if (zcomp_shared_decomp(comp)) {
> +		struct page *pages[2];
> +		unsigned int flags;
> +
> +		pages[0] = sg_page(sg);
> +		pages[1] = sg_page(sg_next(sg));
> +
> +		flags = memalloc_noreclaim_save();
			^^^
			memalloc noio

> +		src = vm_map_ram(pages, 2, NUMA_NO_NODE);
> +		memalloc_noreclaim_restore(flags);
		^^^
		memalloc noio