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Rostedt > > When the __vma_adjust() was converted to use the vma iterator it removed > the functions vma_mas_store() and vma_mas_remove(). These functions called > the tracepoints trace_vma_mas_store() and trace_vma_mas_szero() > respectively. The calls to these tracepoints were removed but the trace > events that created the tracepoints were not removed. Each trace event can > take up to 5K of memory, and it is allocated regardless of if they are > called or not. > > Remove the unused trace events. > > Link: https://lore.kernel.org/all/20250529130138.544ffec4@gandalf.local.home/ > > Fixes: fbcc3104b843 ("mmap: convert __vma_adjust() to use vma iterator") > Signed-off-by: Steven Rostedt (Google) Reviewed-by: Sidhartha Kumar > --- > include/trace/events/mmap.h | 52 ------------------------------------- > 1 file changed, 52 deletions(-) > > diff --git a/include/trace/events/mmap.h b/include/trace/events/mmap.h > index f8d61485de16..ee2843a5daef 100644 > --- a/include/trace/events/mmap.h > +++ b/include/trace/events/mmap.h > @@ -43,58 +43,6 @@ TRACE_EVENT(vm_unmapped_area, > __entry->align_offset) > ); > > -TRACE_EVENT(vma_mas_szero, > - TP_PROTO(struct maple_tree *mt, unsigned long start, > - unsigned long end), > - > - TP_ARGS(mt, start, end), > - > - TP_STRUCT__entry( > - __field(struct maple_tree *, mt) > - __field(unsigned long, start) > - __field(unsigned long, end) > - ), > - > - TP_fast_assign( > - __entry->mt = mt; > - __entry->start = start; > - __entry->end = end; > - ), > - > - TP_printk("mt_mod %p, (NULL), SNULL, %lu, %lu,", > - __entry->mt, > - (unsigned long) __entry->start, > - (unsigned long) __entry->end > - ) > -); > - > -TRACE_EVENT(vma_store, > - TP_PROTO(struct maple_tree *mt, struct vm_area_struct *vma), > - > - TP_ARGS(mt, vma), > - > - TP_STRUCT__entry( > - __field(struct maple_tree *, mt) > - __field(struct vm_area_struct *, vma) > - __field(unsigned long, vm_start) > - __field(unsigned long, vm_end) > - ), > - > - TP_fast_assign( > - __entry->mt = mt; > - __entry->vma = vma; > - __entry->vm_start = vma->vm_start; > - __entry->vm_end = vma->vm_end - 1; > - ), > - > - TP_printk("mt_mod %p, (%p), STORE, %lu, %lu,", > - __entry->mt, __entry->vma, > - (unsigned long) __entry->vm_start, > - (unsigned long) __entry->vm_end > - ) > -); > - > - > TRACE_EVENT(exit_mmap, > TP_PROTO(struct mm_struct *mm), >