From 6ed018845f1172cdc94f8a20ad807df901c6b7eb Mon Sep 17 00:00:00 2001 From: Vivek Goyal Date: Thu, 7 Dec 2006 02:14:03 +0100 Subject: [PATCH] [PATCH] i386: Add comment for align to vmlinux.lds Signed-off-by: Vivek Goyal Signed-off-by: Andi Kleen --- arch/i386/kernel/vmlinux.lds.S | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S index cbd24860fbb7..c217e18f1081 100644 --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S @@ -121,6 +121,12 @@ SECTIONS *(.smp_altinstr_replacement) __smp_alt_end = .; } + /* will be freed after init + * Following ALIGN() is required to make sure no other data falls on the + * same page where __smp_alt_end is pointing as that page might be freed + * after boot. Always make sure that ALIGN() directive is present after + * the section which contains __smp_alt_end. + */ . = ALIGN(4096); /* will be freed after init */ -- 2.20.1