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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-08 15:33:21 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-08 15:33:21 +0200
commitba1cb318dcbfc9754acda9656262aea97ebe77e6 (patch)
tree770fadb8b2c77da5d4dd9d33535b2d7adcdb02fd /include/linux/hugetlb.h
parent8f523d6db7ed69f69720267af170c0719023f373 (diff)
parent0238df646e6224016a45505d2c111a24669ebe21 (diff)
Merge 4.19-rc7 into char-misc-next
We want the fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r--include/linux/hugetlb.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 6b68e345f0ca..087fd5f48c91 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -140,6 +140,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm,
pte_t *huge_pte_offset(struct mm_struct *mm,
unsigned long addr, unsigned long sz);
int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep);
+void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma,
+ unsigned long *start, unsigned long *end);
struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
int write);
struct page *follow_huge_pd(struct vm_area_struct *vma,
@@ -170,6 +172,18 @@ static inline unsigned long hugetlb_total_pages(void)
return 0;
}
+static inline int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr,
+ pte_t *ptep)
+{
+ return 0;
+}
+
+static inline void adjust_range_if_pmd_sharing_possible(
+ struct vm_area_struct *vma,
+ unsigned long *start, unsigned long *end)
+{
+}
+
#define follow_hugetlb_page(m,v,p,vs,a,b,i,w,n) ({ BUG(); 0; })
#define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL)
#define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; })