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-rw-r--r--arch/x86/kernel/setup.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 5dc47c3e537b..a74701af74e3 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -805,8 +805,17 @@ early_param("reservelow", parse_reservelow);
void __init setup_arch(char **cmdline_p)
{
+ memblock_reserve(__pa_symbol(_text),
+ (unsigned long)__bss_stop - (unsigned long)_text);
+
early_reserve_initrd();
+ /*
+ * At this point everything still needed from the boot loader
+ * or BIOS or kernel text should be early reserved or marked not
+ * RAM in e820. All other memory is free game.
+ */
+
#ifdef CONFIG_X86_32
memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
visws_early_detect();