| Date | Fri, 13 Jan 2023 17:38:31 +0000 | From | "Russell King (Oracle)" <> | Subject | Re: [PATCH mm-unstable v1 04/26] arm/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE |
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On Fri, Jan 13, 2023 at 06:10:04PM +0100, David Hildenbrand wrote: > Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE by stealing one bit from the > offset. This reduces the maximum swap space per file to 64 GiB (was 128 > GiB). > > While at it drop the PTE_TYPE_FAULT from __swp_entry_to_pte() which is > defined to be 0 and is rather confusing because we should be dealing > with "Linux PTEs" not "hardware PTEs". Also, properly mask the type in > __swp_entry(). > > Cc: Russell King <linux@armlinux.org.uk> > Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Thanks.
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