powerpc/mm/slice: Remove intermediate bitmap copy

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bitmap_or() and bitmap_andnot() can work properly with dst identical
to src1 or src2. There is no need of an intermediate result bitmap
that is copied back to dst in a second step.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Christophe Leroy 2018-02-22 15:27:20 +01:00 • committed by Michael Ellerman

parent 51d42f0f5f

commit 326691ad4f

1 changed files with 4 additions and 8 deletions

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arch/powerpc/mm/slice.c

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