On (25/01/15 22:55), Wenchao Hao wrote:
> @@ -1561,11 +1561,6 @@ static int zram_read_from_zspool(struct zram *zram, struct page *page,
>
> size = zram_get_obj_size(zram, index);
>
> - if (size != PAGE_SIZE) {
> - prio = zram_get_priority(zram, index);
> - zstrm = zcomp_stream_get(zram->comps[prio]);
> - }
> -
> src = zs_map_object(zram->mem_pool, handle, ZS_MM_RO);
> if (size == PAGE_SIZE) {
> dst = kmap_local_page(page);
> @@ -1573,6 +1568,9 @@ static int zram_read_from_zspool(struct zram *zram, struct page *page,
> kunmap_local(dst);
> ret = 0;
> } else {
> + prio = zram_get_priority(zram, index);
> + zstrm = zcomp_stream_get(zram->comps[prio]);
> +
> dst = kmap_local_page(page);
> ret = zcomp_decompress(zram->comps[prio], zstrm,
> src, size, dst);
I think you are looking at some old code base (or maybe vanilla kernel),
that function does not look like this in the current mm tree (or linux-next).
