[PATCH v1 3/6] mm/hwpoison: introduce MF_MSG_PAGETABLE
From: Naoya Horiguchi <nao.horiguchi@gmail.com>
Date: 2021-06-14 02:13:49
Also in:
lkml
From: Naoya Horiguchi <redacted> Page table pages could have some amount of share on system memory, so define it for a separate page type message. Signed-off-by: Naoya Horiguchi <redacted> --- include/linux/mm.h | 1 + include/ras/ras_event.h | 1 + mm/memory-failure.c | 1 + 3 files changed, 3 insertions(+)
diff --git v5.13-rc5/include/linux/mm.h v5.13-rc5_patched/include/linux/mm.h
index c274f75efcf9..45008654f695 100644
--- v5.13-rc5/include/linux/mm.h
+++ v5.13-rc5_patched/include/linux/mm.h@@ -3103,6 +3103,7 @@ enum mf_action_page_type { MF_MSG_KERNEL, MF_MSG_KERNEL_HIGH_ORDER, MF_MSG_SLAB, + MF_MSG_PAGETABLE, MF_MSG_DIFFERENT_COMPOUND, MF_MSG_POISONED_HUGE, MF_MSG_HUGE,
diff --git v5.13-rc5/include/ras/ras_event.h v5.13-rc5_patched/include/ras/ras_event.h
index 0bdbc0d17d2f..2f459f6f87fb 100644
--- v5.13-rc5/include/ras/ras_event.h
+++ v5.13-rc5_patched/include/ras/ras_event.h@@ -357,6 +357,7 @@ TRACE_EVENT(aer_event, EM ( MF_MSG_KERNEL, "reserved kernel page" ) \ EM ( MF_MSG_KERNEL_HIGH_ORDER, "high-order kernel page" ) \ 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" ) \
diff --git v5.13-rc5/mm/memory-failure.c v5.13-rc5_patched/mm/memory-failure.c
index e7910386fc9c..30d6519ce203 100644
--- v5.13-rc5/mm/memory-failure.c
+++ v5.13-rc5_patched/mm/memory-failure.c@@ -708,6 +708,7 @@ static const char * const action_page_types[] = { [MF_MSG_KERNEL] = "reserved kernel page", [MF_MSG_KERNEL_HIGH_ORDER] = "high-order kernel page", [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",
--
2.25.1