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    SubjectRe: [PATCH 0/6] make memtest a generic kernel feature
    On 17/03/15 17:18, Will Deacon wrote:
    > On Mon, Mar 09, 2015 at 10:27:04AM +0000, Vladimir Murzin wrote:
    >> Memtest is a simple feature which fills the memory with a given set of
    >> patterns and validates memory contents, if bad memory regions is detected it
    >> reserves them via memblock API. Since memblock API is widely used by other
    >> architectures this feature can be enabled outside of x86 world.
    >>
    >> This patch set promotes memtest to live under generic mm umbrella and enables
    >> memtest feature for arm/arm64.
    >>
    >> It was reported that this patch set was useful for tracking down an issue with
    >> some errant DMA on an arm64 platform.
    >>
    >> Since it touches x86 and mm bits it'd be great to get ACK/NAK for these bits.
    >
    > Is your intention for akpm to merge this? I don't mind how it goes upstream,
    > but that seems like a sensible route to me.
    >

    It is already in -mm tree.

    Vladimir

    > Will
    >
    >> Changelog:
    >>
    >> RFC -> v1
    >> - updated kernel-parameters.txt for memtest entry
    >> - updated number of test patterns in Kconfig menu
    >> - added Acked/Tested tags for arm64 bits
    >> - rebased on v4.0-rc3
    >>
    >> Vladimir Murzin (6):
    >> mm: move memtest under /mm
    >> memtest: use phys_addr_t for physical addresses
    >> arm64: add support for memtest
    >> arm: add support for memtest
    >> Kconfig: memtest: update number of test patterns up to 17
    >> Documentation: update arch list in the 'memtest' entry
    >>
    >> Documentation/kernel-parameters.txt | 2 +-
    >> arch/arm/mm/init.c | 3 +
    >> arch/arm64/mm/init.c | 2 +
    >> arch/x86/Kconfig | 11 ----
    >> arch/x86/include/asm/e820.h | 8 ---
    >> arch/x86/mm/Makefile | 2 -
    >> arch/x86/mm/memtest.c | 118 -----------------------------------
    >> include/linux/memblock.h | 8 +++
    >> lib/Kconfig.debug | 11 ++++
    >> mm/Makefile | 1 +
    >> mm/memtest.c | 118 +++++++++++++++++++++++++++++++++++
    >> 11 files changed, 144 insertions(+), 140 deletions(-)
    >> delete mode 100644 arch/x86/mm/memtest.c
    >> create mode 100644 mm/memtest.c
    >>
    >> --
    >> 1.7.9.5
    >>
    >
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