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hexagon/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
authorDavid Hildenbrand <david@redhat.com>
Fri, 13 Jan 2023 17:10:06 +0000 (18:10 +0100)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 3 Feb 2023 06:33:07 +0000 (22:33 -0800)
commit61f4a896e62dee8581fea843479058507fda57fb
tree6546165715f8e64ff6c6500caeb7a302d7c79179tree | snapshot
parent41e0d49104dbff888ef6446ea46842fde66c0a76commit | diff
hexagon/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE

Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE by stealing one bit from the
offset.  This reduces the maximum swap space per file to 16 GiB (was 32
GiB).

While at it, mask the type in __swp_entry().

Link: https://lkml.kernel.org/r/20230113171026.582290-7-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Brian Cain <bcain@quicinc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
arch/hexagon/include/asm/pgtable.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)