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-rw-r--r--fs/hugetlbfs/inode.c4
-rw-r--r--include/linux/hugetlb.h3
-rw-r--r--mm/hugetlb.c10
-rw-r--r--mm/userfaultfd.c5
4 files changed, 8 insertions, 14 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index c978061c3893..d5c2a3158610 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -440,7 +440,7 @@ static void remove_inode_hugepages(struct inode *inode, loff_t lstart,
u32 hash;
index = page->index;
- hash = hugetlb_fault_mutex_hash(h, mapping, index);
+ hash = hugetlb_fault_mutex_hash(mapping, index);
mutex_lock(&hugetlb_fault_mutex_table[hash]);
/*
@@ -644,7 +644,7 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset,
addr = index * hpage_size;
/* mutex taken here, fault path and hole punch */
- hash = hugetlb_fault_mutex_hash(h, mapping, index);
+ hash = hugetlb_fault_mutex_hash(mapping, index);
mutex_lock(&hugetlb_fault_mutex_table[hash]);
/* See if already present in mapping to avoid alloc/free */
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 159d2012cdb1..31d4920994b9 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -105,8 +105,7 @@ void move_hugetlb_state(struct page *oldpage, struct page *newpage, int reason);
void free_huge_page(struct page *page);
void hugetlb_fix_reserve_counts(struct inode *inode);
extern struct mutex *hugetlb_fault_mutex_table;
-u32 hugetlb_fault_mutex_hash(struct hstate *h, struct address_space *mapping,
- pgoff_t idx);
+u32 hugetlb_fault_mutex_hash(struct address_space *mapping, pgoff_t idx);
pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index a8e43aa9c670..8624b7758abb 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3796,7 +3796,7 @@ retry:
* handling userfault. Reacquire after handling
* fault to make calling code simpler.
*/
- hash = hugetlb_fault_mutex_hash(h, mapping, idx);
+ hash = hugetlb_fault_mutex_hash(mapping, idx);
mutex_unlock(&hugetlb_fault_mutex_table[hash]);
ret = handle_userfault(&vmf, VM_UFFD_MISSING);
mutex_lock(&hugetlb_fault_mutex_table[hash]);
@@ -3923,8 +3923,7 @@ backout_unlocked:
}
#ifdef CONFIG_SMP
-u32 hugetlb_fault_mutex_hash(struct hstate *h, struct address_space *mapping,
- pgoff_t idx)
+u32 hugetlb_fault_mutex_hash(struct address_space *mapping, pgoff_t idx)
{
unsigned long key[2];
u32 hash;
@@ -3941,8 +3940,7 @@ u32 hugetlb_fault_mutex_hash(struct hstate *h, struct address_space *mapping,
* For uniprocesor systems we always use a single mutex, so just
* return 0 and avoid the hashing overhead.
*/
-u32 hugetlb_fault_mutex_hash(struct hstate *h, struct address_space *mapping,
- pgoff_t idx)
+u32 hugetlb_fault_mutex_hash(struct address_space *mapping, pgoff_t idx)
{
return 0;
}
@@ -3986,7 +3984,7 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
* get spurious allocation failures if two CPUs race to instantiate
* the same page in the page cache.
*/
- hash = hugetlb_fault_mutex_hash(h, mapping, idx);
+ hash = hugetlb_fault_mutex_hash(mapping, idx);
mutex_lock(&hugetlb_fault_mutex_table[hash]);
entry = huge_ptep_get(ptep);
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 640ff2bd9a69..6d152741bb26 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -184,7 +184,6 @@ 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;
@@ -256,8 +255,6 @@ retry:
goto out_unlock;
}
- h = hstate_vma(dst_vma);
-
while (src_addr < src_start + len) {
pte_t dst_pteval;
@@ -269,7 +266,7 @@ retry:
*/
idx = linear_page_index(dst_vma, dst_addr);
mapping = dst_vma->vm_file->f_mapping;
- hash = hugetlb_fault_mutex_hash(h, mapping, idx);
+ hash = hugetlb_fault_mutex_hash(mapping, idx);
mutex_lock(&hugetlb_fault_mutex_table[hash]);
err = -ENOMEM;