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Commit 9cffd154 authored by David Daney's avatar David Daney Committed by Ralf Baechle
Browse files

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

arch/mips/Kconfig

+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.