mm/riscv: use general page fault accounting
authorPeter Xu <peterx@redhat.com>
Wed, 12 Aug 2020 01:38:34 +0000 (18:38 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 12 Aug 2020 17:58:03 +0000 (10:58 -0700)
commit5ac365a458902214adfbe3567c94e114cc91cde6
treee383403c4e44aedb575018d1f7e32f026b3de142
parent428fdc094492e720c342f1c934e7972cbc328d13
mm/riscv: use general page fault accounting

Use the general page fault accounting by passing regs into
handle_mm_fault().  It naturally solve the issue of multiple page fault
accounting when page fault retry happened.

Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Link: http://lkml.kernel.org/r/20200707225021.200906-18-peterx@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/riscv/mm/fault.c