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-rw-r--r--init/Kconfig12
-rw-r--r--init/initramfs.c24
-rw-r--r--init/main.c1
3 files changed, 23 insertions, 14 deletions
diff --git a/init/Kconfig b/init/Kconfig
index b9923b1434a..38416a199de 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -31,19 +31,8 @@ config EXPERIMENTAL
you say Y here, you will be offered the choice of using features or
drivers that are currently considered to be in the alpha-test phase.
-config CLEAN_COMPILE
- bool "Select only drivers expected to compile cleanly" if EXPERIMENTAL
- default y
- help
- Select this option if you don't even want to see the option
- to configure known-broken drivers.
-
- If unsure, say Y
-
config BROKEN
bool
- depends on !CLEAN_COMPILE
- default y
config BROKEN_ON_SMP
bool
@@ -180,7 +169,6 @@ config SYSCTL
config AUDIT
bool "Auditing support"
depends on NET
- default y if SECURITY_SELINUX
help
Enable auditing infrastructure that can be used with another
kernel subsystem, such as SELinux (which requires this for
diff --git a/init/initramfs.c b/init/initramfs.c
index 0c5d9a3f951..637344b0598 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -466,10 +466,32 @@ static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only)
extern char __initramfs_start[], __initramfs_end[];
#ifdef CONFIG_BLK_DEV_INITRD
#include <linux/initrd.h>
+#include <linux/kexec.h>
static void __init free_initrd(void)
{
- free_initrd_mem(initrd_start, initrd_end);
+#ifdef CONFIG_KEXEC
+ unsigned long crashk_start = (unsigned long)__va(crashk_res.start);
+ unsigned long crashk_end = (unsigned long)__va(crashk_res.end);
+
+ /*
+ * If the initrd region is overlapped with crashkernel reserved region,
+ * free only memory that is not part of crashkernel region.
+ */
+ if (initrd_start < crashk_end && initrd_end > crashk_start) {
+ /*
+ * Initialize initrd memory region since the kexec boot does
+ * not do.
+ */
+ memset((void *)initrd_start, 0, initrd_end - initrd_start);
+ if (initrd_start < crashk_start)
+ free_initrd_mem(initrd_start, crashk_start);
+ if (initrd_end > crashk_end)
+ free_initrd_mem(crashk_end, initrd_end);
+ } else
+#endif
+ free_initrd_mem(initrd_start, initrd_end);
+
initrd_start = 0;
initrd_end = 0;
}
diff --git a/init/main.c b/init/main.c
index 7c79da57d3a..4c194c47395 100644
--- a/init/main.c
+++ b/init/main.c
@@ -668,7 +668,6 @@ static int init(void * unused)
*/
child_reaper = current;
- /* Sets up cpus_possible() */
smp_prepare_cpus(max_cpus);
do_pre_smp_initcalls();