kernel/x86-bootparams-dont-clear-efi_info.patch

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diff --git a/arch/x86/include/asm/bootparam_utils.h b/arch/x86/include/asm/bootparam_utils.h
index 5b5e9cb..ae93f72 100644
--- a/arch/x86/include/asm/bootparam_utils.h
+++ b/arch/x86/include/asm/bootparam_utils.h
@@ -20,7 +20,7 @@ static void sanitize_boot_params(struct boot_params *boot_params)
if (boot_params->sentinel) {
/*fields in boot_params are not valid, clear them */
memset(&boot_params->olpc_ofw_header, 0,
- (char *)&boot_params->alt_mem_k -
+ (char *)&boot_params->efi_info -
(char *)&boot_params->olpc_ofw_header);
memset(&boot_params->kbd_status, 0,
(char *)&boot_params->hdr -