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[S390] s390: use change recording override for kernel mapping
authorChristian Borntraeger <borntraeger@de.ibm.com>
Mon, 7 Dec 2009 11:52:11 +0000 (12:52 +0100)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Mon, 7 Dec 2009 11:51:37 +0000 (12:51 +0100)
commit6a985c6194017de2c062916ad1cd00dee0302c40
treeea19d62cd639876cc1f63e2963276d4fdf2e95b0tree | snapshot (tar.gz zip)
parenta968cd3ef1d315b8c4c48ea65ab5aac8421c2612commit | diff
[S390] s390: use change recording override for kernel mapping

We dont need the dirty bit if a write access is done via the kernel
mapping. In that case SetPageDirty and friends are used anyway, no
need to do that a second time. We can use the change-recording
overide function for the kernel mapping, if available.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/pgtable.h diff | blob | blame | history
arch/s390/mm/vmem.c diff | blob | blame | history