Commit ecdd29e8b for llama.cpp

commit ecdd29e8b2076bb85da9e9ca7ee3d84264375bd1
Author: Igor Matuszewski <Xanewok@gmail.com>
Date:   Tue Oct 13 16:58:35 2026 +0200

    meta: recreate all subgraphs when the arena is reallocated (#30453)

    * meta: recreate all subgraphs when the arena is reallocated

    * chore: revert added test cases

diff --git a/ggml/src/ggml-backend-meta.cpp b/ggml/src/ggml-backend-meta.cpp
index 86748b689..679d5216d 100644
--- a/ggml/src/ggml-backend-meta.cpp
+++ b/ggml/src/ggml-backend-meta.cpp
@@ -2284,8 +2284,8 @@ static enum ggml_status ggml_backend_meta_graph_compute(ggml_backend_t backend,
             backend_ctx->ctx.reset(ggml_init(params));
             for (size_t j = 0; j < n_backends; j++) {
                 auto & bcj = backend_ctx->backend_configs[j];
-                for (size_t i = 0; i < n_subgraphs; i++) {
-                    bcj.cgraphs[i].cgraph_main = ggml_new_graph_custom(backend_ctx->ctx.get(), cgraph->n_nodes, /*grads =*/ false);
+                for (size_t i = 0; i < backend_ctx->max_subgraphs; i++) {
+                    bcj.cgraphs[i].cgraph_main = ggml_new_graph_custom(backend_ctx->ctx.get(), backend_ctx->max_nnodes, /*grads =*/ false);
                 }
             }
             backend_ctx->cgraphs_aux.resize(n_backends*n_cgraphs_per_device*backend_ctx->max_subgraphs);