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linux/arch/alpha
David Hildenbrand a172d51287 alpha/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE by stealing one bit from the
type.  Generic MM currently only uses 5 bits for the type
(MAX_SWAPFILES_SHIFT), so the stolen bit is effectively unused.

While at it, mask the type in mk_swap_pte() as well.

Link: https://lkml.kernel.org/r/20230113171026.582290-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02 22:33:06 -08:00
..
2021-07-25 22:33:04 -07:00
2022-10-02 18:06:03 +09:00