diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5d32928dde5d..9c6388253c9d 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2765,23 +2765,6 @@ static inline bool f2fs_may_extent_tree(struct inode *inode)
    return S_ISREG(inode->i_mode);
 }

-static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
-                   size_t size, gfp_t flags)
-{
-   void *ret;
-
-   if (time_to_inject(sbi, FAULT_KMALLOC)) {
-       f2fs_show_injection_info(FAULT_KMALLOC);
-       return NULL;
-   }
-
-   ret = kmalloc(size, flags);
-   if (ret)
-       return ret;
-
-   return kvmalloc(size, flags);
-}
-
 static inline int wbc_to_write_flags(struct writeback_control *wbc)
 {
    if (wbc->sync_mode == WB_SYNC_ALL)
@@ -2792,28 +2775,10 @@ static inline int wbc_to_write_flags(struct writeback_control *wbc)
    return 0;
 }

-static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
-                   size_t size, gfp_t flags)
-{
-   return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO);
-}
-
-static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
-                   size_t size, gfp_t flags)
-{
-   if (time_to_inject(sbi, FAULT_KVMALLOC)) {
-       f2fs_show_injection_info(FAULT_KVMALLOC);
-       return NULL;
-   }
-
-   return kvmalloc(size, flags);
-}
-
-static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi,
-                   size_t size, gfp_t flags)
-{
-   return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO);
-}
+#define f2fs_kmalloc(sbi, size, flags) kmalloc(size, flags | GFP_KERNEL)
+#define f2fs_kzalloc(sbi, size, flags) kmalloc(size, flags | GFP_KERNEL | __GFP_ZERO)
+#define f2fs_kvmalloc(sbi, size, flags) kvmalloc(size, flags | GFP_KERNEL)
+#define f2fs_kvzalloc(sbi, size, flags) kvmalloc(size, flags | GFP_KERNEL | __GFP_ZERO)

 static inline int get_extra_isize(struct inode *inode)
 {