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    SubjectRe: [RFC PATCH 08/21] zram: Migrate to acomp compression API
    On Tue, Jul 18, 2023 at 02:58:34PM +0200, Ard Biesheuvel wrote:

    ...

    > @@ -1618,9 +1614,7 @@ static int zram_recompress(struct zram *zram, u32 index, struct page *page,
    >
    > num_recomps++;
    > zstrm = zcomp_stream_get(zram->comps[prio]);
    > - src = kmap_atomic(page);
    > - ret = zcomp_compress(zstrm, src, &comp_len_new);
    > - kunmap_atomic(src);
    > + ret = zcomp_compress(zstrm, page, &comp_len_new);

    Hi Ard,

    src appears to be unused in this function with this change.

    >
    > if (ret) {
    > zcomp_stream_put(zram->comps[prio]);

    ...

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