linux-kernel - [PATCH v1 4/6] mm/hwpoison: remove MF_MSG_BUDDY_2ND and MF_MSG_POISONED

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Date:   Mon, 14 Jun 2021 11:12:10 +0900
From:   Naoya Horiguchi <nao.horiguchi@...il.com>
To:     linux-mm@...ck.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Oscar Salvador <osalvador@...e.de>,
        Michal Hocko <mhocko@...e.com>,
        Ding Hui <dinghui@...gfor.com.cn>,
        Tony Luck <tony.luck@...el.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
        Naoya Horiguchi <naoya.horiguchi@....com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 4/6] mm/hwpoison: remove MF_MSG_BUDDY_2ND and MF_MSG_POISONED_HUGE

From: Naoya Horiguchi <naoya.horiguchi@....com>

These action_page_types are no longer used, so remove them.

Signed-off-by: Naoya Horiguchi <naoya.horiguchi@....com>
---
 include/linux/mm.h      | 2 --
 include/ras/ras_event.h | 2 --
 mm/memory-failure.c     | 2 --
 3 files changed, 6 deletions(-)

diff --git v5.13-rc5/include/linux/mm.h v5.13-rc5_patched/include/linux/mm.h
index 45008654f695..f1e3b82e1a93 100644
--- v5.13-rc5/include/linux/mm.h
+++ v5.13-rc5_patched/include/linux/mm.h
@@ -3105,7 +3105,6 @@ enum mf_action_page_type {
 	MF_MSG_SLAB,
 	MF_MSG_PAGETABLE,
 	MF_MSG_DIFFERENT_COMPOUND,
-	MF_MSG_POISONED_HUGE,
 	MF_MSG_HUGE,
 	MF_MSG_FREE_HUGE,
 	MF_MSG_NON_PMD_HUGE,
@@ -3120,7 +3119,6 @@ enum mf_action_page_type {
 	MF_MSG_CLEAN_LRU,
 	MF_MSG_TRUNCATED_LRU,
 	MF_MSG_BUDDY,
-	MF_MSG_BUDDY_2ND,
 	MF_MSG_DAX,
 	MF_MSG_UNSPLIT_THP,
 	MF_MSG_UNKNOWN,
diff --git v5.13-rc5/include/ras/ras_event.h v5.13-rc5_patched/include/ras/ras_event.h
index 2f459f6f87fb..23306428f5e6 100644
--- v5.13-rc5/include/ras/ras_event.h
+++ v5.13-rc5_patched/include/ras/ras_event.h
@@ -359,7 +359,6 @@ TRACE_EVENT(aer_event,
 	EM ( MF_MSG_SLAB, "kernel slab page" )				\
 	EM ( MF_MSG_PAGETABLE, "page table page page" )			\
 	EM ( MF_MSG_DIFFERENT_COMPOUND, "different compound page after locking" ) \
-	EM ( MF_MSG_POISONED_HUGE, "huge page already hardware poisoned" )	\
 	EM ( MF_MSG_HUGE, "huge page" )					\
 	EM ( MF_MSG_FREE_HUGE, "free huge page" )			\
 	EM ( MF_MSG_NON_PMD_HUGE, "non-pmd-sized huge page" )		\
@@ -374,7 +373,6 @@ TRACE_EVENT(aer_event,
 	EM ( MF_MSG_CLEAN_LRU, "clean LRU page" )			\
 	EM ( MF_MSG_TRUNCATED_LRU, "already truncated LRU page" )	\
 	EM ( MF_MSG_BUDDY, "free buddy page" )				\
-	EM ( MF_MSG_BUDDY_2ND, "free buddy page (2nd try)" )		\
 	EM ( MF_MSG_DAX, "dax page" )					\
 	EM ( MF_MSG_UNSPLIT_THP, "unsplit thp" )			\
 	EMe ( MF_MSG_UNKNOWN, "unknown page" )
diff --git v5.13-rc5/mm/memory-failure.c v5.13-rc5_patched/mm/memory-failure.c
index 30d6519ce203..b986936e50eb 100644
--- v5.13-rc5/mm/memory-failure.c
+++ v5.13-rc5_patched/mm/memory-failure.c
@@ -710,7 +710,6 @@ static const char * const action_page_types[] = {
 	[MF_MSG_SLAB]			= "kernel slab page",
 	[MF_MSG_PAGETABLE]		= "page table page",
 	[MF_MSG_DIFFERENT_COMPOUND]	= "different compound page after locking",
-	[MF_MSG_POISONED_HUGE]		= "huge page already hardware poisoned",
 	[MF_MSG_HUGE]			= "huge page",
 	[MF_MSG_FREE_HUGE]		= "free huge page",
 	[MF_MSG_NON_PMD_HUGE]		= "non-pmd-sized huge page",
@@ -725,7 +724,6 @@ static const char * const action_page_types[] = {
 	[MF_MSG_CLEAN_LRU]		= "clean LRU page",
 	[MF_MSG_TRUNCATED_LRU]		= "already truncated LRU page",
 	[MF_MSG_BUDDY]			= "free buddy page",
-	[MF_MSG_BUDDY_2ND]		= "free buddy page (2nd try)",
 	[MF_MSG_DAX]			= "dax page",
 	[MF_MSG_UNSPLIT_THP]		= "unsplit thp",
 	[MF_MSG_UNKNOWN]		= "unknown page",
-- 
2.25.1