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[PATCH] solve config broken: undefined reference to `online_page'

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Memory hotplug code of i386 adds memory to only highmem.  So, if
CONFIG_HIGHMEM is not set, CONFIG_MEMORY_HOTPLUG shouldn't be set.
Otherwise, it causes compile error.

In addition, many architecture can't use memory hotplug feature yet.  So, I
introduce CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG.

Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Yasunori Goto 2006-06-29 02:24:27 -07:00 committed by Linus Torvalds
parent 81b0c87133
commit cc57637b0b
5 changed files with 12 additions and 1 deletions
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3
arch/i386/Kconfig
View File

@ -794,6 +794,9 @@ config COMPAT_VDSO
endmenu
config ARCH_ENABLE_MEMORY_HOTPLUG
def_bool y
depends on HIGHMEM
menu "Power management options (ACPI, APM)"
depends on !X86_VOYAGER

3
arch/ia64/Kconfig
View File

@ -271,6 +271,9 @@ config HOTPLUG_CPU
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
config ARCH_ENABLE_MEMORY_HOTPLUG
def_bool y
config SCHED_SMT
bool "SMT scheduler support"
depends on SMP

3
arch/powerpc/Kconfig
View File

@ -618,6 +618,9 @@ config HOTPLUG_CPU
Say N if you are unsure.
config ARCH_ENABLE_MEMORY_HOTPLUG
def_bool y
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
depends on PPC_MULTIPLATFORM && EXPERIMENTAL

2
arch/x86_64/Kconfig
View File

@ -370,6 +370,8 @@ config HOTPLUG_CPU
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
config ARCH_ENABLE_MEMORY_HOTPLUG
def_bool y
config HPET_TIMER
bool

2
mm/Kconfig
View File

@ -115,7 +115,7 @@ config SPARSEMEM_EXTREME
# eventually, we can have this option just 'select SPARSEMEM'
config MEMORY_HOTPLUG
bool "Allow for memory hot-add"
depends on SPARSEMEM && HOTPLUG && !SOFTWARE_SUSPEND
depends on SPARSEMEM && HOTPLUG && !SOFTWARE_SUSPEND && ARCH_ENABLE_MEMORY_HOTPLUG
depends on (IA64 || X86 || PPC64)
comment "Memory hotplug is currently incompatible with Software Suspend"