Merge "sched: Improve the scheduler" (1b3e464d) · Commits · e / devices / android_kernel_xiaomi_nabu

kernel/sched/core.c

+16 −3

Original line number	Diff line number	Diff line
		@@ -4917,8 +4917,10 @@ unsigned int sched_lib_mask_force;
		bool is_sched_lib_based_app(pid_t pid)
		{
		const char *name = NULL;
		char libname, lib_list;
		struct vm_area_struct *vma;
		char path_buf[LIB_PATH_LENGTH];
		char *tmp_lib_name;
		bool found = false;
		struct task_struct *p;
		struct mm_struct *mm;
		@@ -4926,11 +4928,16 @@ bool is_sched_lib_based_app(pid_t pid)
		if (strnlen(sched_lib_name, LIB_PATH_LENGTH) == 0)
		return false;

		tmp_lib_name = kmalloc(LIB_PATH_LENGTH, GFP_KERNEL);
		if (!tmp_lib_name)
		return false;

		rcu_read_lock();

		p = find_process_by_pid(pid);
		if (!p) {
		rcu_read_unlock();
		kfree(tmp_lib_name);
		return false;
		}

		@@ -4950,10 +4957,15 @@ bool is_sched_lib_based_app(pid_t pid)
		if (IS_ERR(name))
		goto release_sem;

		if (strnstr(name, sched_lib_name,
		strlcpy(tmp_lib_name, sched_lib_name, LIB_PATH_LENGTH);
		lib_list = tmp_lib_name;
		while ((libname = strsep(&lib_list, ","))) {
		libname = skip_spaces(libname);
		if (strnstr(name, libname,
		strnlen(name, LIB_PATH_LENGTH))) {
		found = true;
		break;
		goto release_sem;
		}
		}
		}
		}
		@@ -4963,6 +4975,7 @@ bool is_sched_lib_based_app(pid_t pid)
		mmput(mm);
		put_task_struct:
		put_task_struct(p);
		kfree(tmp_lib_name);
		return found;
		}