powerpc/64s: Allow double call of kernel_[un]map_linear_page()

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If the page is already mapped resp. already unmapped, bail out.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Nicholas Miehlbradt <nicholas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220926075726.2846-3-nicholas@linux.ibm.com

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Christophe Leroy 2022-09-26 07:57:25 +00:00 • committed by Michael Ellerman

parent 3e791d0f32

commit d7902d31cb

1 changed files with 7 additions and 1 deletions

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arch/powerpc/mm/book3s64/hash_utils.c

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