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-rw-r--r--src/backend/storage/ipc/shm_toc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/storage/ipc/shm_toc.c b/src/backend/storage/ipc/shm_toc.c
index 2870bb7a5a9..ada34ff5e90 100644
--- a/src/backend/storage/ipc/shm_toc.c
+++ b/src/backend/storage/ipc/shm_toc.c
@@ -265,8 +265,8 @@ shm_toc_estimate(shm_toc_estimator *e)
Size sz;
sz = offsetof(shm_toc, toc_entry);
- sz += add_size(sz, mul_size(e->number_of_keys, sizeof(shm_toc_entry)));
- sz += add_size(sz, e->space_for_chunks);
+ sz = add_size(sz, mul_size(e->number_of_keys, sizeof(shm_toc_entry)));
+ sz = add_size(sz, e->space_for_chunks);
return BUFFERALIGN(sz);
}