mm: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>

7 files changed, 35 insertions, 35 deletions

diff --git a/mm/bounce.c b/mm/bounce.c
index 4e9ae722af83..d1be02ca1889 100644
--- a/mm/bounce.c
+++ b/mm/bounce.c
@@ -50,9 +50,9 @@ static void bounce_copy_vec(struct bio_vec *to, unsigned char *vfrom)
         unsigned char *vto;
 
         local_irq_save(flags);
-        vto = kmap_atomic(to->bv_page, KM_BOUNCE_READ);
+        vto = kmap_atomic(to->bv_page);
         memcpy(vto + to->bv_offset, vfrom, to->bv_len);
-        kunmap_atomic(vto, KM_BOUNCE_READ);
+        kunmap_atomic(vto);
         local_irq_restore(flags);
 }
 
diff --git a/mm/filemap.c b/mm/filemap.c
index b66275757c28..2f8165075a5a 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1318,10 +1318,10 @@ int file_read_actor(read_descriptor_t *desc, struct page *page,
          * taking the kmap.
          */
         if (!fault_in_pages_writeable(desc->arg.buf, size)) {
-                kaddr = kmap_atomic(page, KM_USER0);
+                kaddr = kmap_atomic(page);
                 left = __copy_to_user_inatomic(desc->arg.buf,
                                                 kaddr + offset, size);
-                kunmap_atomic(kaddr, KM_USER0);
+                kunmap_atomic(kaddr);
                 if (left == 0)
                         goto success;
         }
@@ -2045,7 +2045,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page,
         size_t copied;
 
         BUG_ON(!in_atomic());
-        kaddr = kmap_atomic(page, KM_USER0);
+        kaddr = kmap_atomic(page);
         if (likely(i->nr_segs == 1)) {
                 int left;
                 char __user *buf = i->iov->iov_base + i->iov_offset;
@@ -2055,7 +2055,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page,
                 copied = __iovec_copy_from_user_inatomic(kaddr + offset,
                                                 i->iov, i->iov_offset, bytes);
         }
-        kunmap_atomic(kaddr, KM_USER0);
+        kunmap_atomic(kaddr);
 
         return copied;
 }
diff --git a/mm/ksm.c b/mm/ksm.c
index 310544a379ae..a6d3fb7e6c10 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -672,9 +672,9 @@ error:
 static u32 calc_checksum(struct page *page)
 {
         u32 checksum;
-        void *addr = kmap_atomic(page, KM_USER0);
+        void *addr = kmap_atomic(page);
         checksum = jhash2(addr, PAGE_SIZE / 4, 17);
-        kunmap_atomic(addr, KM_USER0);
+        kunmap_atomic(addr);
         return checksum;
 }
 
@@ -683,11 +683,11 @@ static int memcmp_pages(struct page *page1, struct page *page2)
         char *addr1, *addr2;
         int ret;
 
-        addr1 = kmap_atomic(page1, KM_USER0);
-        addr2 = kmap_atomic(page2, KM_USER1);
+        addr1 = kmap_atomic(page1);
+        addr2 = kmap_atomic(page2);
         ret = memcmp(addr1, addr2, PAGE_SIZE);
-        kunmap_atomic(addr2, KM_USER1);
-        kunmap_atomic(addr1, KM_USER0);
+        kunmap_atomic(addr2);
+        kunmap_atomic(addr1);
         return ret;
 }
 
diff --git a/mm/memory.c b/mm/memory.c
index fa2f04e0337c..347e5fad1cfa 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2447,7 +2447,7 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo
          * fails, we just zero-fill it. Live with it.
          */
         if (unlikely(!src)) {
-                void *kaddr = kmap_atomic(dst, KM_USER0);
+                void *kaddr = kmap_atomic(dst);
                 void __user *uaddr = (void __user *)(va & PAGE_MASK);
 
                 /*
@@ -2458,7 +2458,7 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo
                  */
                 if (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))
                         clear_page(kaddr);
-                kunmap_atomic(kaddr, KM_USER0);
+                kunmap_atomic(kaddr);
                 flush_dcache_page(dst);
         } else
                 copy_user_highpage(dst, src, va, vma);
diff --git a/mm/shmem.c b/mm/shmem.c
index 269d049294ab..b7e195571862 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1656,9 +1656,9 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
                 }
                 inode->i_mapping->a_ops = &shmem_aops;
                 inode->i_op = &shmem_symlink_inode_operations;
-                kaddr = kmap_atomic(page, KM_USER0);
+                kaddr = kmap_atomic(page);
                 memcpy(kaddr, symname, len);
-                kunmap_atomic(kaddr, KM_USER0);
+                kunmap_atomic(kaddr);
                 set_page_dirty(page);
                 unlock_page(page);
                 page_cache_release(page);
diff --git a/mm/swapfile.c b/mm/swapfile.c
index d999f090dfda..00a962caab1a 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2427,9 +2427,9 @@ int add_swap_count_continuation(swp_entry_t entry, gfp_t gfp_mask)
                 if (!(count & COUNT_CONTINUED))
                         goto out;
 
-                map = kmap_atomic(list_page, KM_USER0) + offset;
+                map = kmap_atomic(list_page) + offset;
                 count = *map;
-                kunmap_atomic(map, KM_USER0);
+                kunmap_atomic(map);
 
                 /*
                  * If this continuation count now has some space in it,
@@ -2472,7 +2472,7 @@ static bool swap_count_continued(struct swap_info_struct *si,
 
         offset &= ~PAGE_MASK;
         page = list_entry(head->lru.next, struct page, lru);
-        map = kmap_atomic(page, KM_USER0) + offset;
+        map = kmap_atomic(page) + offset;
 
         if (count == SWAP_MAP_MAX)      /* initial increment from swap_map */
                 goto init_map;          /* jump over SWAP_CONT_MAX checks */
@@ -2482,26 +2482,26 @@ static bool swap_count_continued(struct swap_info_struct *si,
                  * Think of how you add 1 to 999
                  */
                 while (*map == (SWAP_CONT_MAX | COUNT_CONTINUED)) {
-                        kunmap_atomic(map, KM_USER0);
+                        kunmap_atomic(map);
                         page = list_entry(page->lru.next, struct page, lru);
                         BUG_ON(page == head);
-                        map = kmap_atomic(page, KM_USER0) + offset;
+                        map = kmap_atomic(page) + offset;
                 }
                 if (*map == SWAP_CONT_MAX) {
-                        kunmap_atomic(map, KM_USER0);
+                        kunmap_atomic(map);
                         page = list_entry(page->lru.next, struct page, lru);
                         if (page == head)
                                 return false;   /* add count continuation */
-                        map = kmap_atomic(page, KM_USER0) + offset;
+                        map = kmap_atomic(page) + offset;
 init_map:               *map = 0;               /* we didn't zero the page */
                 }
                 *map += 1;
-                kunmap_atomic(map, KM_USER0);
+                kunmap_atomic(map);
                 page = list_entry(page->lru.prev, struct page, lru);
                 while (page != head) {
-                        map = kmap_atomic(page, KM_USER0) + offset;
+                        map = kmap_atomic(page) + offset;
                         *map = COUNT_CONTINUED;
-                        kunmap_atomic(map, KM_USER0);
+                        kunmap_atomic(map);
                         page = list_entry(page->lru.prev, struct page, lru);
                 }
                 return true;                    /* incremented */
@@ -2512,22 +2512,22 @@ init_map:		*map = 0;		/* we didn't zero the page */
                  */
                 BUG_ON(count != COUNT_CONTINUED);
                 while (*map == COUNT_CONTINUED) {
-                        kunmap_atomic(map, KM_USER0);
+                        kunmap_atomic(map);
                         page = list_entry(page->lru.next, struct page, lru);
                         BUG_ON(page == head);
-                        map = kmap_atomic(page, KM_USER0) + offset;
+                        map = kmap_atomic(page) + offset;
                 }
                 BUG_ON(*map == 0);
                 *map -= 1;
                 if (*map == 0)
                         count = 0;
-                kunmap_atomic(map, KM_USER0);
+                kunmap_atomic(map);
                 page = list_entry(page->lru.prev, struct page, lru);
                 while (page != head) {
-                        map = kmap_atomic(page, KM_USER0) + offset;
+                        map = kmap_atomic(page) + offset;
                         *map = SWAP_CONT_MAX | count;
                         count = COUNT_CONTINUED;
-                        kunmap_atomic(map, KM_USER0);
+                        kunmap_atomic(map);
                         page = list_entry(page->lru.prev, struct page, lru);
                 }
                 return count == COUNT_CONTINUED;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 86ce9a526c17..94dff883b449 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1906,9 +1906,9 @@ static int aligned_vread(char *buf, char *addr, unsigned long count)
                          * we can expect USER0 is not used (see vread/vwrite's
                          * function description)
                          */
-                        void *map = kmap_atomic(p, KM_USER0);
+                        void *map = kmap_atomic(p);
                         memcpy(buf, map + offset, length);
-                        kunmap_atomic(map, KM_USER0);
+                        kunmap_atomic(map);
                 } else
                         memset(buf, 0, length);
 
@@ -1945,9 +1945,9 @@ static int aligned_vwrite(char *buf, char *addr, unsigned long count)
                          * we can expect USER0 is not used (see vread/vwrite's
                          * function description)
                          */
-                        void *map = kmap_atomic(p, KM_USER0);
+                        void *map = kmap_atomic(p);
                         memcpy(map + offset, buf, length);
-                        kunmap_atomic(map, KM_USER0);
+                        kunmap_atomic(map);
                 }
                 addr += length;
                 buf += length;