Re: [RFC PATCH 7/7] mm: zswap: Use acomp virtual address interface

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On Thu, Feb 27, 2025 at 06:11:04PM +0000, Yosry Ahmed wrote:
> On Thu, Feb 27, 2025 at 06:15:09PM +0800, Herbert Xu wrote:
> > Use the acomp virtual address interface.
> > 
> > Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> 
> I can't speak to the rest of the series, but I like what this patch is
> doing in zswap. Together with the recent zsmalloc changes, we should be
> able to drop the alternative memcpy path completely, without needing to
> use kmap_to_page() or removing the warning the highmem code.
> 
> Thanks for doing this!

Well, unfortunately this patchset still uses sg_init_one() on the virtual
address, so AFAICS it doesn't work with arbitrary virtual addresses.

- Eric




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