On Wed, 21 Feb 2018 10:15:44 -0700 Khalid Aziz <[email protected]> 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 <[email protected]> > Cc: Khalid Aziz <[email protected]> > Acked-by: Jerome Marchand <[email protected]> > Reviewed-by: Anthony Yznaga <[email protected]> Acked-by: Andrew Morton <[email protected]>
