TononixOS/ubports_kernel_google_msm
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msm: Add low power mode for dynamic memory managment.

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Add Low Power mode TAG.
Add new API's for mem lowpower modes.
Create new sys file for mem low power modes.
Set SECTION_SIZE_BITS to 28.
Change NPA_MEMORY_NODE_NAME to "/mem/apps/ddr_dpd".
Fix NPA node create function to do atomic_inc()
in atomic_dec_and_test() failure case.

Change-Id: Ia5cb18b99338c43165d5401e619c773cd8d6b3f6
Signed-off-by: Larry Bassel <lbassel@codeaurora.org>
(cherry picked from commit b054046e708f8c5b044e76c2df6f72fd607be558)

Conflicts:

	arch/arm/include/asm/setup.h
	arch/arm/kernel/setup.c
	arch/arm/mach-msm/include/mach/memory.h
	arch/arm/mach-msm/memory.c
	drivers/base/memory.c
	include/linux/memory_hotplug.h
This commit is contained in:
Larry Bassel
2010-06-10 16:34:51 -07:00
committed by Stephen Boyd
parent 0f9c403ce0
commit ee1f3b0c9b
2 changed files with 14 additions and 2 deletions
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11
mm/memory_hotplug.c
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@@ -684,7 +684,6 @@ int __ref physical_remove_memory(u64 start, u64 size)
res = kzalloc(sizeof(struct resource), GFP_KERNEL);
BUG_ON(!res);
/* call arch's memory hotremove */
ret = arch_physical_remove_memory(start, size);
if (ret) {
kfree(res);
@@ -705,11 +704,19 @@ int __ref physical_remove_memory(u64 start, u64 size)
}
EXPORT_SYMBOL_GPL(physical_remove_memory);
int __ref physical_active_memory(u64 start, u64 size)
{
int ret;
ret = arch_physical_active_memory(start, size);
return ret;
}
EXPORT_SYMBOL_GPL(physical_active_memory);
int __ref physical_low_power_memory(u64 start, u64 size)
{
int ret;
/* call arch's memory low power routine */
ret = arch_physical_low_power_memory(start, size);
return ret;
}