arm64: compat: Allow signal page to be remapped

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For compatability with 32-bit Arm, allow the compat signal page to be
remapped via mremap().

Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20210318170738.7756-4-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Will Deacon 2021-03-18 17:07:36 +00:00 • committed by Catalin Marinas

parent e9be47eab1

commit 7adbf10e29

1 changed files with 9 additions and 0 deletions

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arch/arm64/kernel/vdso.c

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