fs/proc/task_mmu.c: add user-space support for resetting mm->hiwater_rss (peak RSS)

[firefly-linux-kernel-4.4.55.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index ff7f6375f33ff26a236a4d5bd6b2c91fc5099156..2d8d22cf15cebc6bda76cf9388bcf10603d8a475 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1166,6 +1166,11 @@ static inline void update_hiwater_vm(struct mm_struct *mm)
                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)
 {