vlib: don't leak node frames on refork
Free node frames in worker mains on refork. Otherwise these frames are
never returned to free pool and it causes massive memory leaks if
performed under traffic load
Type: fix
Signed-off-by: Dmitry Valter <d-valter@yandex-team.ru>
Change-Id: I15cbf024a3f4b4082445fd5e5aaa10bfcf77f363
diff --git a/src/vlib/threads.c b/src/vlib/threads.c
index 5599c5b..adf225b 100644
--- a/src/vlib/threads.c
+++ b/src/vlib/threads.c
@@ -913,6 +913,17 @@
vec_validate_aligned (old_counters_all_clear, j, CLIB_CACHE_LINE_BYTES);
vm_clone->error_main.counters_last_clear = old_counters_all_clear;
+ for (j = 0; j < vec_len (nm_clone->next_frames); j++)
+ {
+ vlib_next_frame_t *nf = &nm_clone->next_frames[j];
+ if ((nf->flags & VLIB_FRAME_IS_ALLOCATED) && nf->frame != NULL)
+ {
+ vlib_frame_t *f = nf->frame;
+ nf->frame = NULL;
+ vlib_frame_free (vm_clone, f);
+ }
+ }
+
vec_free (nm_clone->next_frames);
nm_clone->next_frames = vec_dup_aligned (nm->next_frames,
CLIB_CACHE_LINE_BYTES);