[PATCH] mm/mmzone.c: EXPORT_UNUSED_SYMBOL

[firefly-linux-kernel-4.4.55.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 7e2a4b1580e31474ed3adb1136cc1f6a1ea4c650..dc0d82cf2a1cadc2fe2c37fba36c31faa40629e5 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -503,7 +503,7 @@ again:
                return -ENOMEM;
        src_pte = pte_offset_map_nested(src_pmd, addr);
        src_ptl = pte_lockptr(src_mm, src_pmd);
-       spin_lock(src_ptl);
+       spin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING);
 
        do {
                /*
@@ -1853,7 +1853,7 @@ int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end)
 
        return 0;
 }
-EXPORT_SYMBOL(vmtruncate_range);
+EXPORT_UNUSED_SYMBOL(vmtruncate_range);  /*  June 2006  */
 
 /* 
  * Primitive swap readahead code. We simply read an aligned block of