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From: Andrew Morton <akpm@linux-foundation.org>
To: songliubraving@fb.com, kirill.shutemov@linux.intel.com,
	anshuman.khandual@arm.com, yang.shi@linux.alibaba.com,
	akpm@linux-foundation.org, linux-mm@kvack.org,
	mm-commits@vger.kernel.org, torvalds@linux-foundation.org
Subject: [patch 11/11] mm: khugepaged: add trace status description for SCAN_PAGE_HAS_PRIVATE
Date: Mon, 13 Jan 2020 16:29:36 -0800	[thread overview]
Message-ID: <20200114002936.cnqbu%akpm__27769.7217230283$1578961904$gmane$org@linux-foundation.org> (raw)
In-Reply-To: <20200113162831.f7d69e11e9e673c40005c9b0@linux-foundation.org>

From: Yang Shi <yang.shi@linux.alibaba.com>
Subject: mm: khugepaged: add trace status description for SCAN_PAGE_HAS_PRIVATE

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.

Link: http://lkml.kernel.org/r/1574793844-2914-1-git-send-email-yang.shi@linux.alibaba.com
Fixes: 99cb0dbd47a1 ("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>
---

 include/trace/events/huge_memory.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/include/trace/events/huge_memory.h~mm-khugepaged-add-trace-status-description-for-scan_page_has_private
+++ a/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
_

      parent reply	other threads:[~2020-01-14  0:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14  0:28 incoming Andrew Morton
2020-01-14  0:29 ` [patch 01/11] mm, thp: tweak reclaim/compaction effort of local-only and all-node allocations Andrew Morton
2020-01-14  0:29 ` [patch 02/11] mm/memory_hotplug: don't free usage map when removing a re-added early section Andrew Morton
2020-01-14  0:29 ` [patch 03/11] mm/huge_memory.c: thp: fix conflict of above-47bit hint address and PMD alignment Andrew Morton
2020-01-14  0:29 ` [patch 04/11] mm/shmem.c: thp, shmem: " Andrew Morton
2020-01-14  0:29 ` [patch 05/11] mm: memcg/slab: fix percpu slab vmstats flushing Andrew Morton
2020-01-14  0:29 ` [patch 06/11] mm, debug_pagealloc: don't rely on static keys too early Andrew Morton
2020-01-14  0:29 ` [patch 07/11] mm/page-writeback.c: avoid potential division by zero in wb_min_max_ratio() Andrew Morton
2020-01-14  0:29 ` [patch 08/11] mm/page-writeback.c: use div64_ul() for u64-by-unsigned-long divide Andrew Morton
2020-01-14  0:29 ` [patch 09/11] mm/page-writeback.c: improve arithmetic divisions Andrew Morton
2020-01-14  0:29 ` [patch 10/11] mm: memcg/slab: call flush_memcg_workqueue() only if memcg workqueue is valid Andrew Morton
2020-01-14  0:29 ` Andrew Morton [this message]

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