On 03/15/2018 10:18 PM, Steven Rostedt wrote: > On Tue, 13 Mar 2018 18:26:00 +0530 > Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxxxxxxx> wrote: > >> +static void sdt_increment_ref_ctr(struct trace_uprobe *tu) >> +{ >> + struct uprobe_map_info *info; >> + struct vm_area_struct *vma; >> + unsigned long vaddr; >> + >> + uprobe_start_dup_mmap(); > Please add a comment here that this function ups the mm ref count for > each info returned. Otherwise it's hard to know what that mmput() below > matches. Sure. Will add it. Thanks for the review, Ravi