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Hanumant Singh authored
To prevent overflow near 4GB memory address, the rounding down of memory addresses needs to be propagated to the memory hotplug logic. Checking if a given pfn is part of physical ram allows us to do this. Also while walking through system ram, we need to take care of overflow at high memory address. Change-Id: Id962cf93906888783a807fe89f2be4ba91b2c5d6 Signed-off-by: Hanumant Singh <hanumant@codeaurora.org> (cherry picked from commit 28976a80e961f491e51c1cb627311efc4981b69a) Conflicts: drivers/base/memory.c
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