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(parent: a172d51) | patch
arc/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
authorDavid Hildenbrand <david@redhat.com>
Fri, 13 Jan 2023 17:10:03 +0000 (18:10 +0100)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 3 Feb 2023 06:33:06 +0000 (22:33 -0800)
commit4a446b3dd335d0bd14a5ca3e563688de3637be0c
tree819dbe5f61fb408f11f6d858e24e5a5c29838592tree | snapshot
parenta172d5128706028ac07b8db709728379ecc72f6ecommit | diff
arc/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE

Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE by using bit 5, which is yet
unused.  The only important parts seems to be to not use _PAGE_PRESENT
(bit 9).

Link: https://lkml.kernel.org/r/20230113171026.582290-4-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Vineet Gupta <vgupta@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
arch/arc/include/asm/pgtable-bits-arcv2.h diff | blob | history
Domain: System / Kernel;