[CIFS] Avoid extra large buffer allocation (and memcpy) in cifs_readpages

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index ba90903909a6..582d66ca6da5 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -733,7 +733,7 @@ cifs_init_request_bufs(void)
                 kmem_cache_destroy(cifs_req_cachep);
                 return -ENOMEM;
         }
-        /* 256 (MAX_CIFS_HDR_SIZE bytes is enough for most SMB responses and
+        /* MAX_CIFS_SMALL_BUFFER_SIZE bytes is enough for most SMB responses and
         almost all handle based requests (but not write response, nor is it
         sufficient for path based requests).  A smaller size would have
         been more efficient (compacting multiple slab items on one 4k page) 
@@ -742,7 +742,8 @@ cifs_init_request_bufs(void)
         efficient to alloc 1 per page off the slab compared to 17K (5page) 
         alloc of large cifs buffers even when page debugging is on */
         cifs_sm_req_cachep = kmem_cache_create("cifs_small_rq",
-                        MAX_CIFS_HDR_SIZE, 0, SLAB_HWCACHE_ALIGN, NULL, NULL);
+                        MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN, 
+                        NULL, NULL);
         if (cifs_sm_req_cachep == NULL) {
                 mempool_destroy(cifs_req_poolp);
                 kmem_cache_destroy(cifs_req_cachep);