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Commit 9cffd154 authored by David Daney's avatar David Daney Committed by Ralf Baechle
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MIPS: Kconfig Add SYS_SUPPORTS_HUGETLBFS and enable it for some systems.



Add new kconfig variables SYS_SUPPORTS_HUGETLBFS and
CPU_SUPPORTS_HUGEPAGES.  They are enabled for systems that are known
to support huge pages.

Signed-off-by: default avatarDavid Daney <ddaney@caviumnetworks.com>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 852969b2
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+11 −0
Original line number Diff line number Diff line
@@ -853,6 +853,11 @@ config SYS_SUPPORTS_BIG_ENDIAN
config SYS_SUPPORTS_LITTLE_ENDIAN
	bool

config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

config IRQ_CPU
	bool

@@ -1057,6 +1062,7 @@ config CPU_MIPS64_R1
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
	help
	  Choose this option to build a kernel for release 1 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
@@ -1076,6 +1082,7 @@ config CPU_MIPS64_R2
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
@@ -1162,6 +1169,7 @@ config CPU_R5500
	select CPU_HAS_LLSC
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HUGEPAGES
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.
@@ -1247,6 +1255,7 @@ config CPU_CAVIUM_OCTEON
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
	help
	  The Cavium Octeon processor is a highly integrated chip containing
	  many ethernet hardware widgets for networking tasks. The processor
@@ -1366,6 +1375,8 @@ config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_HUGEPAGES
	bool

#
# Set to y for ptrace access to watch registers.