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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2017-07-06 15:38:47 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-06 16:24:33 -0700 |
| commit | d5ed7444dafb94b6877410d1b66a846eb7184a09 (patch) | |
| tree | 3a73411f08c0ce8bc42789cda82143fa88d01981 /include/linux/hugetlb.h | |
| parent | mm/follow_page_mask: split follow_page_mask to smaller functions. (diff) | |
| download | linux-dev-d5ed7444dafb94b6877410d1b66a846eb7184a09.tar.xz linux-dev-d5ed7444dafb94b6877410d1b66a846eb7184a09.zip | |
mm/hugetlb: export hugetlb_entry_migration helper
We will be using this later from the ppc64 code. Change the return type
to bool.
Link: http://lkml.kernel.org/r/1494926612-23928-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/hugetlb.h')
| -rw-r--r-- | include/linux/hugetlb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 5f539f985e2a..aa1df49b9a14 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -126,6 +126,7 @@ int pud_huge(pud_t pud); unsigned long hugetlb_change_protection(struct vm_area_struct *vma, unsigned long address, unsigned long end, pgprot_t newprot); +bool is_hugetlb_entry_migration(pte_t pte); #else /* !CONFIG_HUGETLB_PAGE */ static inline void reset_vma_resv_huge_pages(struct vm_area_struct *vma) |