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arm64: add ARM64-specific support for flatmem
authorNikunj Kela <nkela@cisco.com>
Fri, 6 Jul 2018 17:47:24 +0000 (10:47 -0700)
committerWill Deacon <will.deacon@arm.com>
Mon, 9 Jul 2018 11:57:25 +0000 (12:57 +0100)
commite7d4bac428edb806c5f5d903ab8850ffbe0ed9ce
treeebb0369bc2fff29997f34943453f9b73039415b4
parentd7c7118caf99fc4fe3b2e1f47e3d23b2bbaf7929
arm64: add ARM64-specific support for flatmem

Flatmem is useful in reducing kernel memory usage.
One usecase is in kdump kernel. We are able to save
~14M by moving to flatmem scheme.

Cc: xe-kernel@external.cisco.com
Cc: Nikunj Kela <nkela@cisco.com>
Signed-off-by: Nikunj Kela <nkela@cisco.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/Kconfig