task_mmu: Reduce excessive indentation in clear_refs_write

include/linux/mm.h

 #ifndef _LINUX_MM_H
 #define _LINUX_MM_H
 
 #include <linux/errno.h>
 
 #ifdef __KERNEL__
 
 #include <linux/mmdebug.h>
 #include <linux/gfp.h>
 #include <linux/bug.h>
@@ skipping 1350 matching lines @@
         if ((mm)->hiwater_rss < _rss)
                 (mm)->hiwater_rss = _rss;
 }
 
 static inline void update_hiwater_vm(struct mm_struct *mm)
 {
         if (mm->hiwater_vm < mm->total_vm)
                 mm->hiwater_vm = mm->total_vm;
 }
 
+static inline void reset_mm_hiwater_rss(struct mm_struct *mm)
+{
+        mm->hiwater_rss = get_mm_rss(mm);
+}
+
 static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,
                                          struct mm_struct *mm)
 {
         unsigned long hiwater_rss = get_mm_hiwater_rss(mm);
 
         if (*maxrss < hiwater_rss)
                 *maxrss = hiwater_rss;
 }
 
 #if defined(SPLIT_RSS_COUNTING)
@@ skipping 824 matching lines @@
 #endif /* CONFIG_DEBUG_PAGEALLOC */
 
 #if MAX_NUMNODES > 1
 void __init setup_nr_node_ids(void);
 #else
 static inline void setup_nr_node_ids(void) {}
 #endif
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */