mm: khugepaged: add trace status description for SCAN_PAGE_HAS_PRIVATE

commit 554913f600b45d73de12ad58c1ac7baa0f22a703 upstream.

Commit 99cb0dbd47 ("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: 99cb0dbd47 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yang Shi 2020-01-13 16:29:36 -08:00 committed by Greg Kroah-Hartman
parent 36875206a3
commit 6943bddae1
1 changed files with 2 additions and 1 deletions

View File

@ -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