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Merge branch 'akpm' (patches from Andrew)

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Mergr misc fixes from Andrew Morton:
 "28 fixes"

* emailed patches from Andrew Morton <[email protected]>: (28 commits)
  fs/hugetlbfs/inode.c: change put_page/unlock_page order in hugetlbfs_fallocate()
  mm/hugetlb: fix NULL-pointer dereference on 5-level paging machine
  autofs: revert "autofs: fix AT_NO_AUTOMOUNT not being honored"
  autofs: revert "autofs: take more care to not update last_used on path walk"
  fs/fat/inode.c: fix sb_rdonly() change
  mm, memcg: fix mem_cgroup_swapout() for THPs
  mm: migrate: fix an incorrect call of prep_transhuge_page()
  kmemleak: add scheduling point to kmemleak_scan()
  scripts/bloat-o-meter: don't fail with division by 0
  fs/mbcache.c: make count_objects() more robust
  Revert "mm/page-writeback.c: print a warning if the vm dirtiness settings are illogical"
  mm/madvise.c: fix madvise() infinite loop under special circumstances
  exec: avoid RLIMIT_STACK races with prlimit()
  IB/core: disable memory registration of filesystem-dax vmas
  v4l2: disable filesystem-dax mapping support
  mm: fail get_vaddr_frames() for filesystem-dax mappings
  mm: introduce get_user_pages_longterm
  device-dax: implement ->split() to catch invalid munmap attempts
  mm, hugetlbfs: introduce ->split() to vm_operations_struct
  scripts/faddr2line: extend usage on generic arch
  ...
This commit is contained in:
Linus Torvalds 2017-11-29 19:12:44 -08:00
commit a0908a1b7d
40 changed files with 238 additions and 101 deletions
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2
arch/sparc/include/asm/pgtable_64.h
View file

@ -715,7 +715,7 @@ static inline unsigned long pmd_pfn(pmd_t pmd)
return pte_pfn(pte);
}
#define __HAVE_ARCH_PMD_WRITE
#define pmd_write pmd_write
static inline unsigned long pmd_write(pmd_t pmd)
{
pte_t pte = __pte(pmd_val(pmd));

4
arch/sparc/mm/gup.c
View file

@ -75,7 +75,7 @@ static int gup_huge_pmd(pmd_t *pmdp, pmd_t pmd, unsigned long addr,
if (!(pmd_val(pmd) & _PAGE_VALID))
return 0;
if (write && !pmd_write(pmd))
if (!pmd_access_permitted(pmd, write))
return 0;
refs = 0;
@ -114,7 +114,7 @@ static int gup_huge_pud(pud_t *pudp, pud_t pud, unsigned long addr,
if (!(pud_val(pud) & _PAGE_VALID))
return 0;
if (write && !pud_write(pud))
if (!pud_access_permitted(pud, write))
return 0;
refs = 0;