diff --git a/fs/erofs/zutil.c b/fs/erofs/zutil.c
index a0ce9226bc02..6b9bfa2ef3b6 100644
--- a/fs/erofs/zutil.c
+++ b/fs/erofs/zutil.c
@@ -79,6 +79,8 @@ int z_erofs_gbuf_growsize(unsigned int nrpages)
 
 	for (i = 0; i < z_erofs_gbuf_count; ++i) {
 		gbuf = &z_erofs_gbufpool[i];
+		if (gbuf->nrpages >= nrpages)
+			continue;
 		tmp_pages = kzalloc_objs(*tmp_pages, nrpages);
 		if (!tmp_pages)
 			goto out;