7222 static bool perf_mmap_calc_limits(struct vm_area_struct *vma, long *user_extra, long *extra)  in perf_mmap_calc_limits()  argument
7239 	user_locked += *user_extra;  in perf_mmap_calc_limits()
7247 		*user_extra -= *extra;  in perf_mmap_calc_limits()
7257 static void perf_mmap_account(struct vm_area_struct *vma, long user_extra, long extra)  in perf_mmap_account()  argument
7261 	atomic_long_add(user_extra, &user->locked_vm);  in perf_mmap_account()
7268 	long extra = 0, user_extra = nr_pages;  in perf_mmap_rb()  local
7301 			perf_mmap_account(vma, user_extra, extra);  in perf_mmap_rb()
7314 	if (!perf_mmap_calc_limits(vma, &user_extra, &extra))  in perf_mmap_rb()
7337 	perf_mmap_account(vma, user_extra, extra);  in perf_mmap_rb()
7346 	long extra = 0, user_extra = nr_pages;  in perf_mmap_aux()  local
7392 		if (!perf_mmap_calc_limits(vma, &user_extra, &extra)) {  in perf_mmap_aux()
7413 	perf_mmap_account(vma, user_extra, extra);  in perf_mmap_aux()