kernel/events/core: Use maple tree iterators instead of linked list

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 664e262283b881c8c47dce5a8900275e934779f5..98d09b6cead25f18084e6d2713e3793847fc6c17 100644 (file)
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -10155,14 +10155,17 @@ static void perf_addr_filter_apply(struct perf_addr_filter *filter,
                                   struct perf_addr_filter_range *fr)
 {
        struct vm_area_struct *vma;
+       MA_STATE(mas, &mm->mm_mt, 0, 0);
 
-       for (vma = mm->mmap; vma; vma = vma->vm_next) {
+       rcu_read_lock();
+       mas_for_each(&mas, vma, ULONG_MAX) {
                if (!vma->vm_file)
                        continue;
 
                if (perf_addr_filter_vma_adjust(filter, vma, fr))
-                       return;
+                       break;
        }
+       rcu_read_unlock();
 }
 
 /*