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linux-next/arch/nds32/mm
Peter Xu daf7bf5d90 mm/nds32: 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.

Fix PERF_COUNT_SW_PAGE_FAULTS perf event manually for page fault retries,
by moving it before taking mmap_sem.

Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Greentime Hu <green.hu@gmail.com>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Link: http://lkml.kernel.org/r/20200707225021.200906-13-peterx@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-12 10:58:03 -07:00
..
alignment.c uaccess: add force_uaccess_{begin,end} helpers 2020-08-12 10:57:59 -07:00
cacheflush.c mm: rename flush_icache_user_range to flush_icache_user_page 2020-06-08 11:05:58 -07:00
extable.c nds32: MMU fault handling and page table management 2018-02-22 10:44:31 +08:00
fault.c mm/nds32: use general page fault accounting 2020-08-12 10:58:03 -07:00
highmem.c arch/kmap: define kmap_atomic_prot() for all arch's 2020-06-04 19:06:22 -07:00
init.c mm: pgtable: add shortcuts for accessing kernel PMD and PTE 2020-06-09 09:39:13 -07:00
Makefile nds32: use generic ioremap 2019-11-12 11:37:58 +01:00
mm-nds32.c asm-generic: pgalloc: provide generic pgd_free() 2020-08-07 11:33:26 -07:00
mmap.c nds32: MMU fault handling and page table management 2018-02-22 10:44:31 +08:00
proc.c mm: pgtable: add shortcuts for accessing kernel PMD and PTE 2020-06-09 09:39:13 -07:00
tlb.c nds32: Cache and TLB routines 2018-02-22 10:44:32 +08:00