Messages in this thread | | | From | Punit Agrawal <> | Subject | [PATCH v2 0/3] arm64: Add support for handling memory corruption | Date | Wed, 17 May 2017 16:23:33 +0100 |
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Hi,
This series enables memory failure handling for arm64. Previous posting can be found at [0].
Changes since v1:
* Reworked Patch 1 based on Catalin's feedbak to symmetrically deal with PUD and PMD hugepages in huge_pte_offset() * Added Steve's acks
With support for contiguous hugepages being turned off[1], some of the problems arising from swap entries go away[2]. This simplifies the changes needed to enable memory corruption handling for arm64 (done in this seris).
In this series, we updates huge_pte_offset() to correctly deal with swap entries (Patch 1). This function will need to be updated when contiguous hugepages are re-enabled.
Patch 2 adds support to send SIGBUS to processes that have their memory corrupted. With the prerequisites in place, enable memory corruption handling for arm64 (patch 3).
Thanks, Punit
[0] https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1376052.html [1] https://lkml.org/lkml/2017/4/7/486 [2] https://lkml.org/lkml/2017/4/5/402
Jonathan (Zhixiong) Zhang (2): arm64: hwpoison: add VM_FAULT_HWPOISON[_LARGE] handling arm64: kconfig: allow support for memory failure handling
Punit Agrawal (1): arm64: hugetlb: Fix huge_pte_offset to return poisoned page table entries
arch/arm64/Kconfig | 1 + arch/arm64/include/asm/pgtable.h | 2 +- arch/arm64/mm/fault.c | 22 +++++++++++++++++++--- arch/arm64/mm/hugetlbpage.c | 29 ++++++++++------------------- 4 files changed, 31 insertions(+), 23 deletions(-)
-- 2.11.0
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