linux-kernel - [PATCH v3 2/3] mm/hwpoison: remove MF_MSG_BUDDY_2ND and MF_MSG_POISONED

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Date:   Fri,  5 Nov 2021 14:50:57 +0900
From:   Naoya Horiguchi <naoya.horiguchi@...ux.dev>
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>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Yang Shi <shy828301@...il.com>, Peter Xu <peterx@...hat.com>,
        Naoya Horiguchi <naoya.horiguchi@....com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/3] 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>
Acked-by: Yang Shi <shy828301@...il.com>
---
 include/linux/mm.h      | 2 --
 include/ras/ras_event.h | 2 --
 mm/memory-failure.c     | 2 --
 3 files changed, 6 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index a7e4a9e7d807..7941bca871dc 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3247,7 +3247,6 @@ enum mf_action_page_type {
 	MF_MSG_KERNEL_HIGH_ORDER,
 	MF_MSG_SLAB,
 	MF_MSG_DIFFERENT_COMPOUND,
-	MF_MSG_POISONED_HUGE,
 	MF_MSG_HUGE,
 	MF_MSG_FREE_HUGE,
 	MF_MSG_NON_PMD_HUGE,
@@ -3262,7 +3261,6 @@ 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 a/include/ras/ras_event.h b/include/ras/ras_event.h
index 0bdbc0d17d2f..d0337a41141c 100644
--- a/include/ras/ras_event.h
+++ b/include/ras/ras_event.h
@@ -358,7 +358,6 @@ TRACE_EVENT(aer_event,
 	EM ( MF_MSG_KERNEL_HIGH_ORDER, "high-order kernel page" )	\
 	EM ( MF_MSG_SLAB, "kernel slab 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" )		\
@@ -373,7 +372,6 @@ 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 a/mm/memory-failure.c b/mm/memory-failure.c
index d29c79de6034..722036539b44 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -723,7 +723,6 @@ static const char * const action_page_types[] = {
 	[MF_MSG_KERNEL_HIGH_ORDER]	= "high-order kernel page",
 	[MF_MSG_SLAB]			= "kernel slab 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",
@@ -738,7 +737,6 @@ 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