5 files changed, 40 insertions, 32 deletions

diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c
index 790ed69b866..5c17de51987 100644
--- a/arch/sh/kernel/machine_kexec.c
+++ b/arch/sh/kernel/machine_kexec.c
@@ -104,24 +104,3 @@ NORET_TYPE void machine_kexec(struct kimage *image)
 	(*rnk)(page_list, reboot_code_buffer, image->start, vbr_reg);
 }
 
-/* crashkernel=size@addr specifies the location to reserve for
- * a crash kernel.  By reserving this memory we guarantee
- * that linux never sets it up as a DMA target.
- * Useful for holding code to do something appropriate
- * after a kernel panic.
- */
-static int __init parse_crashkernel(char *arg)
-{
-	unsigned long size, base;
-	size = memparse(arg, &arg);
-	if (*arg == '@') {
-		base = memparse(arg+1, &arg);
-		/* FIXME: Do I want a sanity check
-		 * to validate the memory range?
-		 */
-		crashk_res.start = base;
-		crashk_res.end   = base + size - 1;
-	}
-	return 0;
-}
-early_param("crashkernel", parse_crashkernel);
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index b4469992d6b..6d7f2b07e49 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -121,7 +121,7 @@ void machine_power_off(void)
 void show_regs(struct pt_regs * regs)
 {
 	printk("\n");
-	printk("Pid : %d, Comm: %20s\n", current->pid, current->comm);
+	printk("Pid : %d, Comm: %20s\n", task_pid_nr(current), current->comm);
 	print_symbol("PC is at %s\n", instruction_pointer(regs));
 	printk("PC  : %08lx SP  : %08lx SR  : %08lx ",
 	       regs->pc, regs->regs[15], regs->sr);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index b3027a6775b..b749403f6b3 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -128,6 +128,37 @@ static void __init register_bootmem_low_pages(void)
 	free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(pages));
 }
 
+#ifdef CONFIG_KEXEC
+static void __init reserve_crashkernel(void)
+{
+	unsigned long long free_mem;
+	unsigned long long crash_size, crash_base;
+	int ret;
+
+	free_mem = ((unsigned long long)max_low_pfn - min_low_pfn) << PAGE_SHIFT;
+
+	ret = parse_crashkernel(boot_command_line, free_mem,
+			&crash_size, &crash_base);
+	if (ret == 0 && crash_size) {
+		if (crash_base > 0) {
+			printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
+					"for crashkernel (System RAM: %ldMB)\n",
+					(unsigned long)(crash_size >> 20),
+					(unsigned long)(crash_base >> 20),
+					(unsigned long)(free_mem >> 20));
+			crashk_res.start = crash_base;
+			crashk_res.end   = crash_base + crash_size - 1;
+			reserve_bootmem(crash_base, crash_size);
+		} else
+			printk(KERN_INFO "crashkernel reservation failed - "
+					"you have to specify a base address\n");
+	}
+}
+#else
+static inline void __init reserve_crashkernel(void)
+{}
+#endif
+
 void __init setup_bootmem_allocator(unsigned long free_pfn)
 {
 	unsigned long bootmap_size;
@@ -189,11 +220,8 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
 		}
 	}
 #endif
-#ifdef CONFIG_KEXEC
-	if (crashk_res.start != crashk_res.end)
-		reserve_bootmem(crashk_res.start,
-			crashk_res.end - crashk_res.start + 1);
-#endif
+
+	reserve_crashkernel();
 }
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index 2f42442cf16..ca754fd4243 100644
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -382,7 +382,7 @@ static int setup_frame(int sig, struct k_sigaction *ka,
 	set_fs(USER_DS);
 
 	pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
-		 current->comm, current->pid, frame, regs->pc, regs->pr);
+		 current->comm, task_pid_nr(current), frame, regs->pc, regs->pr);
 
 	flush_cache_sigtramp(regs->pr);
 
@@ -462,7 +462,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	set_fs(USER_DS);
 
 	pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
-		 current->comm, current->pid, frame, regs->pc, regs->pr);
+		 current->comm, task_pid_nr(current), frame, regs->pc, regs->pr);
 
 	flush_cache_sigtramp(regs->pr);
 
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index dcb46e71da1..cf99111cb33 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -95,8 +95,8 @@ void die(const char * str, struct pt_regs * regs, long err)
 	print_modules();
 	show_regs(regs);
 
-	printk("Process: %s (pid: %d, stack limit = %p)\n",
-	       current->comm, current->pid, task_stack_page(current) + 1);
+	printk("Process: %s (pid: %d, stack limit = %p)\n", current->comm,
+			task_pid_nr(current), task_stack_page(current) + 1);
 
 	if (!user_mode(regs) || in_interrupt())
 		dump_mem("Stack: ", regs->regs[15], THREAD_SIZE +
@@ -386,7 +386,8 @@ static int handle_unaligned_access(u16 instruction, struct pt_regs *regs)
 
 		printk(KERN_NOTICE "Fixing up unaligned userspace access "
 		       "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
-		       current->comm,current->pid,(u16*)regs->pc,instruction);
+		       current->comm, task_pid_nr(current),
+		       (u16 *)regs->pc, instruction);
 	}
 
 	ret = -EFAULT;