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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

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Pull ARM64 updates from Catalin Marinas:
 "Main features:
   - KVM and Xen ports to AArch64
   - Hugetlbfs and transparent huge pages support for arm64
   - Applied Micro X-Gene Kconfig entry and dts file
   - Cache flushing improvements

  For arm64 huge pages support, there are x86 changes moving part of
  arch/x86/mm/hugetlbpage.c into mm/hugetlb.c to be re-used by arm64"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: (66 commits)
  arm64: Add initial DTS for APM X-Gene Storm SOC and APM Mustang board
  arm64: Add defines for APM ARMv8 implementation
  arm64: Enable APM X-Gene SOC family in the defconfig
  arm64: Add Kconfig option for APM X-Gene SOC family
  arm64/Makefile: provide vdso_install target
  ARM64: mm: THP support.
  ARM64: mm: Raise MAX_ORDER for 64KB pages and THP.
  ARM64: mm: HugeTLB support.
  ARM64: mm: Move PTE_PROT_NONE bit.
  ARM64: mm: Make PAGE_NONE pages read only and no-execute.
  ARM64: mm: Restore memblock limit when map_mem finished.
  mm: thp: Correct the HPAGE_PMD_ORDER check.
  x86: mm: Remove general hugetlb code from x86.
  mm: hugetlb: Copy general hugetlb code from x86 to mm.
  x86: mm: Remove x86 version of huge_pmd_share.
  mm: hugetlb: Copy huge_pmd_share from x86 to mm.
  arm64: KVM: document kernel object mappings in HYP
  arm64: KVM: MAINTAINERS update
  arm64: KVM: userspace API documentation
  arm64: KVM: enable initialization of a 32bit vcpu
  ...
This commit is contained in:
Linus Torvalds
2013-07-03 10:31:38 -07:00
parent fb2af0020a aa729dccb5
commit 1873e50028
77 changed files with 5582 additions and 389 deletions
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4
include/linux/hugetlb.h
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@@ -69,6 +69,10 @@ void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed);
int dequeue_hwpoisoned_huge_page(struct page *page);
void copy_huge_page(struct page *dst, struct page *src);
#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE
pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud);
#endif
extern unsigned long hugepages_treat_as_movable;
extern const unsigned long hugetlb_zero, hugetlb_infinity;
extern int sysctl_hugetlb_shm_group;