1 // SPDX-License-Identifier: GPL-2.0 2 #define CREATE_TRACE_POINTS 3 #include <trace/events/mmap_lock.h> 4 5 #include <linux/mm.h> 6 #include <linux/cgroup.h> 7 #include <linux/memcontrol.h> 8 #include <linux/mmap_lock.h> 9 #include <linux/mutex.h> 10 #include <linux/percpu.h> 11 #include <linux/rcupdate.h> 12 #include <linux/smp.h> 13 #include <linux/trace_events.h> 14 #include <linux/local_lock.h> 15 16 EXPORT_TRACEPOINT_SYMBOL(mmap_lock_start_locking); 17 EXPORT_TRACEPOINT_SYMBOL(mmap_lock_acquire_returned); 18 EXPORT_TRACEPOINT_SYMBOL(mmap_lock_released); 19 20 #ifdef CONFIG_TRACING 21 /* 22 * Trace calls must be in a separate file, as otherwise there's a circular 23 * dependency between linux/mmap_lock.h and trace/events/mmap_lock.h. 24 */ 25 26 void __mmap_lock_do_trace_start_locking(struct mm_struct *mm, bool write) 27 { 28 trace_mmap_lock_start_locking(mm, write); 29 } 30 EXPORT_SYMBOL(__mmap_lock_do_trace_start_locking); 31 32 void __mmap_lock_do_trace_acquire_returned(struct mm_struct *mm, bool write, 33 bool success) 34 { 35 trace_mmap_lock_acquire_returned(mm, write, success); 36 } 37 EXPORT_SYMBOL(__mmap_lock_do_trace_acquire_returned); 38 39 void __mmap_lock_do_trace_released(struct mm_struct *mm, bool write) 40 { 41 trace_mmap_lock_released(mm, write); 42 } 43 EXPORT_SYMBOL(__mmap_lock_do_trace_released); 44 #endif /* CONFIG_TRACING */ 45