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Message-Id: <1574793844-2914-1-git-send-email-yang.shi@linux.alibaba.com>
Date: Wed, 27 Nov 2019 02:44:04 +0800
From: Yang Shi <yang.shi@...ux.alibaba.com>
To: songliubraving@...com, kirill.shutemov@...ux.intel.com,
anshuman.khandual@....com, akpm@...ux-foundation.org
Cc: yang.shi@...ux.alibaba.com, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: [v2 PATCH] mm: khugepaged: add trace status description for SCAN_PAGE_HAS_PRIVATE
The commit 99cb0dbd47a1 ("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.
Cc: Song Liu <songliubraving@...com>
Cc: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@....com>
Signed-off-by: Yang Shi <yang.shi@...ux.alibaba.com>
---
v2: *Adopted the comments from Anshuman Khandual
include/trace/events/huge_memory.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h
index dd4db33..d82a0f4 100644
--- a/include/trace/events/huge_memory.h
+++ b/include/trace/events/huge_memory.h
@@ -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
--
1.8.3.1
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