linux/arch/s390/mm
Dominik Dingel fef8953ae4 s390/mm: enable fixup_user_fault retrying
By passing a non-null flag we allow fixup_user_fault to retry, which
enables userfaultfd.  As during these retries we might drop the mmap_sem
we need to check if that happened and redo the complete chain of
actions.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: "Jason J. Herne" <jjherne@linux.vnet.ibm.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric B Munson <emunson@akamai.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Dominik Dingel <dingel@linux.vnet.ibm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-15 17:56:32 -08:00
..
Makefile s390/mem_detect: move memory detection code to mm folder 2013-05-02 15:50:22 +02:00
cmm.c s390: convert use of typedef ctl_table to struct ctl_table 2013-10-28 08:36:25 +01:00
dump_pagetables.c s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
extable.c s390: fix normalization bug in exception table sorting 2016-01-11 13:02:28 +01:00
extmem.c s390/extmem: remove unused variable 2015-12-18 14:59:29 +01:00
fault.c s390/fault: remove unused variable 2015-12-18 14:59:28 +01:00
gup.c s390, thp: remove infrastructure for handling splitting PMDs 2016-01-15 17:56:32 -08:00
hugetlbpage.c s390/mm: implement soft-dirty bits for user memory change tracking 2015-10-14 14:32:05 +02:00
init.c s390: avoid cache aliasing under z/VM and KVM 2015-11-16 12:04:18 +01:00
maccess.c s390: rename struct _lowcore to struct lowcore 2016-01-11 12:27:15 +01:00
mem_detect.c s390/mem_detect: use unsigned longs 2016-01-11 12:27:11 +01:00
mmap.c s390: avoid cache aliasing under z/VM and KVM 2015-11-16 12:04:18 +01:00
page-states.c s390/cmma: remove "cmma disable" code in case of dump again 2014-05-20 08:58:42 +02:00
pageattr.c s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
pgtable.c s390/mm: enable fixup_user_fault retrying 2016-01-15 17:56:32 -08:00
vmem.c s390: remove 31 bit support 2015-03-25 11:49:33 +01:00