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authorJane Chu <jane.chu@oracle.com>2024-05-24 23:53:04 +0200
committerAndrew Morton <akpm@linux-foundation.org>2024-07-04 04:29:57 +0200
commitb8b9488d50b7150bd4830dfff487e8d4ef6589ba (patch)
tree85be0862f7776deccf33867d41b55e2da5f9f35d /include/ras
parentmm/madvise: add MF_ACTION_REQUIRED to madvise(MADV_HWPOISON) (diff)
downloadlinux-b8b9488d50b7150bd4830dfff487e8d4ef6589ba.tar.xz
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mm/memory-failure: improve memory failure action_result messages
Added two explicit MF_MSG messages describing failure in get_hwpoison_page. Attemped to document the definition of various action names, and made a few adjustment to the action_result() calls. Link: https://lkml.kernel.org/r/20240524215306.2705454-4-jane.chu@oracle.com Signed-off-by: Jane Chu <jane.chu@oracle.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Acked-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Naoya Horiguchi <nao.horiguchi@gmail.com> Cc: Oscar Salvador <oalvador@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/ras')
-rw-r--r--include/ras/ras_event.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h
index 7c47151d5c72..cf7f19b7ce64 100644
--- a/include/ras/ras_event.h
+++ b/include/ras/ras_event.h
@@ -360,6 +360,7 @@ TRACE_EVENT(aer_event,
EM ( MF_MSG_DIFFERENT_COMPOUND, "different compound page after locking" ) \
EM ( MF_MSG_HUGE, "huge page" ) \
EM ( MF_MSG_FREE_HUGE, "free huge page" ) \
+ EM ( MF_MSG_GET_HWPOISON, "get hwpoison page" ) \
EM ( MF_MSG_UNMAP_FAILED, "unmapping failed page" ) \
EM ( MF_MSG_DIRTY_SWAPCACHE, "dirty swapcache page" ) \
EM ( MF_MSG_CLEAN_SWAPCACHE, "clean swapcache page" ) \
@@ -373,6 +374,7 @@ TRACE_EVENT(aer_event,
EM ( MF_MSG_BUDDY, "free buddy page" ) \
EM ( MF_MSG_DAX, "dax page" ) \
EM ( MF_MSG_UNSPLIT_THP, "unsplit thp" ) \
+ EM ( MF_MSG_ALREADY_POISONED, "already poisoned" ) \
EMe ( MF_MSG_UNKNOWN, "unknown page" )
/*