Merge "arm64: mm: improve the mem-offline device node availability check" (48cf48a5) · Commits · e / devices / android_kernel_oneplus_sm7250

arch/arm64/mm/init.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -330,6 +330,7 @@ static void __init update_memory_limit(void)
		phys_addr_t end_addr, addr_aligned, offset;
		int len;
		const __be32 *prop;
		char *status;
		phys_addr_t min_ddr_sz = 0, offline_sz = 0;
		int t_len = (2 * dt_root_size_cells) * sizeof(__be32);

		@@ -349,6 +350,12 @@ static void __init update_memory_limit(void)
		return;
		}

		status = (char *)fdt_getprop(initial_boot_params, node, "status", NULL);
		if (status && !strcmp(status, "disabled")) {
		pr_info("mem-offline device is disabled\n");
		return;
		}

		prop = of_get_flat_dt_prop(node, "offline-sizes", &len);
		if (prop) {
		if (len % t_len != 0) {