Commit 554913f6 authored Jan 13, 2020 by Yang Shi Committed by Linus Torvalds Jan 13, 2020

mm: khugepaged: add trace status description for SCAN_PAGE_HAS_PRIVATE

Commit 99cb0dbd ("mm,thp: add read-only THP support for (non-shmem)
FS") introduced a new khugepaged scan result: SCAN_PAGE_HAS_PRIVATE, but
the corresponding description for trace events were not added.

Link: http://lkml.kernel.org/r/1574793844-2914-1-git-send-email-yang.shi@linux.alibaba.com

Fixes: 99cb0dbd ("mm,thp: add read-only THP support for (non-shmem) FS")
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 2fe20210

include/trace/events/huge_memory.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -31,7 +31,8 @@
		EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \
		EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \
		EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \
		EMe(SCAN_TRUNCATED, "truncated") \
		EM( SCAN_TRUNCATED, "truncated") \
		EMe(SCAN_PAGE_HAS_PRIVATE, "page_has_private") \

		#undef EM
		#undef EMe