s390/mm,vmem: use 2GB frames for identity mapping
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 8 Oct 2012 07:18:26 +0000 (09:18 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 23 Nov 2012 10:14:24 +0000 (11:14 +0100)
commit18da236908793abccebc6f365fbe6e95a5b41db0
tree34899d0c737b625660a44f2b47436e5e82a17511
parent26d29d06ea020411559f75ec908db235ca1838d9
s390/mm,vmem: use 2GB frames for identity mapping

Use 2GB frames for indentity mapping if EDAT2 is
available to reduce TLB pressure.

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/dump_pagetables.c
arch/s390/mm/pageattr.c
arch/s390/mm/vmem.c