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-rw-r--r--erts/emulator/beam/erl_process.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 94c13bb948..f92c745050 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -1328,10 +1328,13 @@ ERTS_GLB_INLINE void erts_heap_frag_shrink(Process* p, Eterm* hp);
ERTS_GLB_INLINE void erts_heap_frag_shrink(Process* p, Eterm* hp)
{
ErlHeapFragment* hf = MBUF(p);
+ Uint sz;
ASSERT(hf!=NULL && (hp - hf->mem < hf->alloc_size));
- hf->used_size = hp - hf->mem;
+ sz = hp - hf->mem;
+ p->mbuf_sz -= hf->used_size - sz;
+ hf->used_size = sz;
}
#endif /* inline */