powerpc/vdso: Provide vdso_remap()

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Provide vdso_remap() through _install_special_mapping() and
drop arch_remap().

This adds a test of the size and returns -EINVAL if the size
is not correct.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/373c66f768fa9cc8890f3b55462209a98c522326.1601197618.git.christophe.leroy@csgroup.eu

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Christophe Leroy 2020-09-27 09:16:28 +00:00 • committed by Michael Ellerman

parent c1bab64360

commit 526a9c4a72

2 changed files with 24 additions and 25 deletions

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25

arch/powerpc/include/asm/mm-arch-hooks.h

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24

arch/powerpc/kernel/vdso.c

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