Messages in this thread | | | Date | Tue, 6 Mar 2018 14:47:57 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH v12 02/11] mm, swap: Add infrastructure for saving page metadata on swap |
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On Wed, 21 Feb 2018 10:15:44 -0700 Khalid Aziz <khalid.aziz@oracle.com> wrote:
> If a processor supports special metadata for a page, for example ADI > version tags on SPARC M7, this metadata must be saved when the page is > swapped out. The same metadata must be restored when the page is swapped > back in. This patch adds two new architecture specific functions - > arch_do_swap_page() to be called when a page is swapped in, and > arch_unmap_one() to be called when a page is being unmapped for swap > out. These architecture hooks allow page metadata to be saved if the > architecture supports it. > > Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com> > Cc: Khalid Aziz <khalid@gonehiking.org> > Acked-by: Jerome Marchand <jmarchan@redhat.com> > Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
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