mm: introduce mm_forbids_zeropage function

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Add a new function stub to allow architectures to disable for
an mm_structthe backing of non-present, anonymous pages with
read-only empty zero pages.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Dominik Dingel 2014-10-23 12:07:44 +02:00 • committed by Martin Schwidefsky

parent a13cff318c

commit 593befa6ab

3 changed files with 13 additions and 2 deletions

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11

include/linux/mm.h

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2

mm/huge_memory.c

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2

mm/memory.c

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