s390/mm: make use of ipte range facility
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Tue, 23 Sep 2014 19:29:20 +0000 (21:29 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 30 Sep 2014 08:19:29 +0000 (10:19 +0200)
commitcfb0b24143b4f587ff3e3bd829f9f471285d097b
tree217a325aaba02fa8b6a0c91d8dd2abe7b96fcb66
parent242a112af62ea73ce507cbe76c2c944c23b6a1e3
s390/mm: make use of ipte range facility

Invalidate several pte entries at once if the ipte range facility
is available. Currently this works only for DEBUG_PAGE_ALLOC where
several up to 2 ^ MAX_ORDER may be invalidated at once.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/pgtable.h
arch/s390/mm/pageattr.c