s390/vmemmap: avoid memset(PAGE_UNUSED) when adding consecutive sections

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Let's avoid memset(PAGE_UNUSED) when adding consecutive sections,
whereby the vmemmap of a single section does not span full PMDs.

Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200722094558.9828-10-david@redhat.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

...

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David Hildenbrand 2020-07-22 11:45:58 +02:00 • committed by Heiko Carstens

parent cd5781d63e

commit 2c114df071

1 changed files with 42 additions and 3 deletions

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arch/s390/mm/vmem.c

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