From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 19 Jun 2013 06:53:49 +0000 (+1000)
Subject: Merge remote-tracking branch 'arm64-hugepages/for-next/hugepages'
X-Git-Tag: next-20130619~4
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6b455b44582515475a1af8394bd8e0698517d097;p=karo-tx-linux.git

Merge remote-tracking branch 'arm64-hugepages/for-next/hugepages'

Conflicts:
	arch/arm64/Kconfig
	arch/arm64/include/asm/pgtable-hwdef.h
	arch/arm64/include/asm/pgtable.h
---

6b455b44582515475a1af8394bd8e0698517d097
diff --cc arch/arm64/Kconfig
index ef32eb1aa2d9,308a55636f76..4768aacd8d6f
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@@ -181,18 -180,25 +181,35 @@@ config HW_PERF_EVENT
  	  Enable hardware performance counter support for perf events. If
  	  disabled, perf events will use software events only.
  
+ config SYS_SUPPORTS_HUGETLBFS
+ 	def_bool y
+ 
+ config ARCH_WANT_GENERAL_HUGETLB
+ 	def_bool y
+ 
+ config ARCH_WANT_HUGE_PMD_SHARE
+ 	def_bool y if !ARM64_64K_PAGES
+ 
+ config HAVE_ARCH_TRANSPARENT_HUGEPAGE
+ 	def_bool y
+ 
  source "mm/Kconfig"
  
+ config FORCE_MAX_ZONEORDER
+ 	int
+ 	default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE)
+ 	default "11"
+ 
 +config XEN_DOM0
 +	def_bool y
 +	depends on XEN
 +
 +config XEN
 +	bool "Xen guest support on ARM64 (EXPERIMENTAL)"
 +	depends on ARM64 && OF
 +	help
 +	  Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64.
 +
  endmenu
  
  menu "Boot options"
diff --cc arch/arm64/include/asm/pgtable.h
index 5588e8ad9762,720fc4a2be49..065e58f01b1e
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@@ -76,13 -76,7 +76,13 @@@ extern pgprot_t pgprot_default
  #define PAGE_KERNEL		_MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY)
  #define PAGE_KERNEL_EXEC	_MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY)
  
 +#define PAGE_HYP		_MOD_PROT(pgprot_default, PTE_HYP)
 +#define PAGE_HYP_DEVICE		__pgprot(PROT_DEVICE_nGnRE | PTE_HYP)
 +
 +#define PAGE_S2			__pgprot_modify(pgprot_default, PTE_S2_MEMATTR_MASK, PTE_S2_MEMATTR(MT_S2_NORMAL) | PTE_S2_RDONLY)
 +#define PAGE_S2_DEVICE		__pgprot(PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_DEVICE_nGnRE) | PTE_S2_RDWR | PTE_UXN)
 +
- #define __PAGE_NONE		__pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE)
+ #define __PAGE_NONE		__pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE | PTE_RDONLY | PTE_PXN | PTE_UXN)
  #define __PAGE_SHARED		__pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
  #define __PAGE_SHARED_EXEC	__pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
  #define __PAGE_COPY		__pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)