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arm64: memory-hotplug: Add MEMORY_HOTPLUG, MEMORY_HOTREMOVE, MEMORY_PROBE

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Add memory-hotplug support for ARM64 platform.

This requires addition of
ARCH_ENABLE_MEMORY_HOTPLUG and ARCH_ENABLE_MEMORY_HOTREMOVE config options.

MEMORY_PROBE config option is added to support
/sys/devices/system/memory/probe functionality.

In addition architecture specific arch_add_memory and
arch_remove memory management functions are added.

Change-Id: I1fc4e8c93cfe1b9722b2fc8d811390e6cdfa7995
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Patch-mainline: linux-kernel @ 11 Apr 2017, 18:24
Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
[sudaraja@codeaurora.org: remove explicit zone calculation]
Signed-off-by: Sudarshan Rajagopalan <sudaraja@codeaurora.org>
[isaacm@codeaurora.org: remove duplicate hotplug/hot remove code in init.c]
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
This commit is contained in:
Scott Branden 2017-04-28 14:09:53 +05:30 • committed by Isaac J. Manjarres
commit beb7d577e3
1 changed files with 7 additions and 0 deletions
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7
arch/arm64/Kconfig
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@ -275,6 +275,9 @@ config ZONE_DMA32
config ARCH_ENABLE_MEMORY_HOTPLUG
def_bool y
config ARCH_ENABLE_MEMORY_HOTREMOVE
def_bool y
config SMP
def_bool y
@ -971,6 +974,10 @@ endif
config ARCH_ENABLE_SPLIT_PMD_PTLOCK
def_bool y if PGTABLE_LEVELS > 2
config ARCH_MEMORY_PROBE
def_bool y
depends on MEMORY_HOTPLUG
config SECCOMP
bool "Enable seccomp to safely compute untrusted bytecode"
---help---