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

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Cong Wang <amwang@redhat.com>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index ef7c52bb1df9..f0843e8a472c 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -421,13 +421,13 @@ static int zbud_decompress(struct page *page, struct zbud_hdr *zh)
         }
         ASSERT_SENTINEL(zh, ZBH);
         BUG_ON(zh->size == 0 || zh->size > zbud_max_buddy_size());
-        to_va = kmap_atomic(page, KM_USER0);
+        to_va = kmap_atomic(page);
         size = zh->size;
         from_va = zbud_data(zh, size);
         ret = lzo1x_decompress_safe(from_va, size, to_va, &out_len);
         BUG_ON(ret != LZO_E_OK);
         BUG_ON(out_len != PAGE_SIZE);
-        kunmap_atomic(to_va, KM_USER0);
+        kunmap_atomic(to_va);
 out:
         spin_unlock(&zbpg->lock);
         return ret;
@@ -676,13 +676,13 @@ static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id,
                 goto out;
         atomic_inc(&zv_curr_dist_counts[chunks]);
         atomic_inc(&zv_cumul_dist_counts[chunks]);
-        zv = kmap_atomic(page, KM_USER0) + offset;
+        zv = kmap_atomic(page) + offset;
         zv->index = index;
         zv->oid = *oid;
         zv->pool_id = pool_id;
         SET_SENTINEL(zv, ZVH);
         memcpy((char *)zv + sizeof(struct zv_hdr), cdata, clen);
-        kunmap_atomic(zv, KM_USER0);
+        kunmap_atomic(zv);
 out:
         return zv;
 }
@@ -718,10 +718,10 @@ static void zv_decompress(struct page *page, struct zv_hdr *zv)
         ASSERT_SENTINEL(zv, ZVH);
         size = xv_get_object_size(zv) - sizeof(*zv);
         BUG_ON(size == 0);
-        to_va = kmap_atomic(page, KM_USER0);
+        to_va = kmap_atomic(page);
         ret = lzo1x_decompress_safe((char *)zv + sizeof(*zv),
                                         size, to_va, &clen);
-        kunmap_atomic(to_va, KM_USER0);
+        kunmap_atomic(to_va);
         BUG_ON(ret != LZO_E_OK);
         BUG_ON(clen != PAGE_SIZE);
 }
@@ -1300,12 +1300,12 @@ static int zcache_compress(struct page *from, void **out_va, size_t *out_len)
         BUG_ON(!irqs_disabled());
         if (unlikely(dmem == NULL || wmem == NULL))
                 goto out;  /* no buffer, so can't compress */
-        from_va = kmap_atomic(from, KM_USER0);
+        from_va = kmap_atomic(from);
         mb();
         ret = lzo1x_1_compress(from_va, PAGE_SIZE, dmem, out_len, wmem);
         BUG_ON(ret != LZO_E_OK);
         *out_va = dmem;
-        kunmap_atomic(from_va, KM_USER0);
+        kunmap_atomic(from_va);
         ret = 1;
 out:
         return ret;