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(parent: 61f4a89) | patch
ia64/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
authorDavid Hildenbrand <david@redhat.com>
Fri, 13 Jan 2023 17:10:07 +0000 (18:10 +0100)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 3 Feb 2023 06:33:07 +0000 (22:33 -0800)
commit3151cc26565ea864c51a78900101ad68b864f405
tree5f355dd5fe4b6eb98ca2f642821bf41941ff7c21tree | snapshot
parent61f4a896e62dee8581fea843479058507fda57fbcommit | diff
ia64/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, also mask the type in __swp_entry().

Link: https://lkml.kernel.org/r/20230113171026.582290-8-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
arch/ia64/include/asm/pgtable.h diff | blob | history
Domain: System / Kernel;