The linux-next commit
"hugetlb-remove-unused-hstate-in-hugetlb_fault_mutex_hash-fix" seems
accidentally add back an unused variable that was correctly removed in
the commit "hugetlb: remove unused hstate in hugetlb_fault_mutex_hash()"
[1].

mm/userfaultfd.c: In function '__mcopy_atomic_hugetlb':
mm/userfaultfd.c:217:17: warning: variable 'h' set but not used
[-Wunused-but-set-variable]
  struct hstate *h;
                 ^

[1] http://lkml.kernel.org/r/[email protected]

Signed-off-by: Qian Cai <[email protected]>
---
 mm/userfaultfd.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 4cb4ef3d9128..1b0d7abad1d4 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -214,7 +214,6 @@ static __always_inline ssize_t 
__mcopy_atomic_hugetlb(struct mm_struct *dst_mm,
        unsigned long src_addr, dst_addr;
        long copied;
        struct page *page;
-       struct hstate *h;
        unsigned long vma_hpagesize;
        pgoff_t idx;
        u32 hash;
@@ -271,8 +270,6 @@ static __always_inline ssize_t 
__mcopy_atomic_hugetlb(struct mm_struct *dst_mm,
                        goto out_unlock;
        }
 
-       h = hstate_vma(dst_vma);
-
        while (src_addr < src_start + len) {
                pte_t dst_pteval;
 
-- 
1.8.3.1

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