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-rw-r--r--include/linux/huge_mm.h4
-rw-r--r--mm/huge_memory.c7
-rw-r--r--mm/mremap.c5
3 files changed, 5 insertions, 11 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index d7b9e5346fba..419fb9e03447 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -28,9 +28,7 @@ extern int zap_huge_pmd(struct mmu_gather *tlb,
extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
unsigned long addr, unsigned long end,
unsigned char *vec);
-extern bool move_huge_pmd(struct vm_area_struct *vma,
- struct vm_area_struct *new_vma,
- unsigned long old_addr,
+extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
unsigned long new_addr, unsigned long old_end,
pmd_t *old_pmd, pmd_t *new_pmd);
extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f8ac8f582fd8..66675eed67be 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1698,20 +1698,17 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
return 1;
}
-bool move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma,
- unsigned long old_addr,
+bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
unsigned long new_addr, unsigned long old_end,
pmd_t *old_pmd, pmd_t *new_pmd)
{
spinlock_t *old_ptl, *new_ptl;
pmd_t pmd;
-
struct mm_struct *mm = vma->vm_mm;
if ((old_addr & ~HPAGE_PMD_MASK) ||
(new_addr & ~HPAGE_PMD_MASK) ||
- old_end - old_addr < HPAGE_PMD_SIZE ||
- (new_vma->vm_flags & VM_NOHUGEPAGE))
+ old_end - old_addr < HPAGE_PMD_SIZE)
return false;
/*
diff --git a/mm/mremap.c b/mm/mremap.c
index 3fa0a467df66..7d98fe1adc12 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -198,9 +198,8 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
/* See comment in move_ptes() */
if (need_rmap_locks)
anon_vma_lock_write(vma->anon_vma);
- moved = move_huge_pmd(vma, new_vma, old_addr,
- new_addr, old_end,
- old_pmd, new_pmd);
+ moved = move_huge_pmd(vma, old_addr, new_addr,
+ old_end, old_pmd, new_pmd);
if (need_rmap_locks)
anon_vma_unlock_write(vma->anon_vma);
if (moved) {