diff options
| author | David Hildenbrand <david@redhat.com> | 2023-01-13 18:10:22 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:33:10 -0800 |
| commit | adf8e329ff56a873c789f797a69a330fb8c4ff9e (patch) | |
| tree | 6af5c3e849287870a79330cbf8b350af949ddd4e /arch/um/include/asm/pgtable.h | |
| parent | e6b37d7f6f17db638275b6f8fd78714c047e3a57 (diff) | |
sparc/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on 64bit
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 was effectively unused.
While at it, mask the type in __swp_entry().
Link: https://lkml.kernel.org/r/20230113171026.582290-23-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/um/include/asm/pgtable.h')
0 files changed, 0 insertions, 0 deletions