1 files changed, 27 insertions, 6 deletions

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 14e1200376a9..ad567b8d432e 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -256,7 +256,7 @@ reserve_memory (void)
 
 #ifdef CONFIG_KEXEC
         /* crashkernel=size@offset specifies the size to reserve for a crash
-         * kernel.(offset is ingored for keep compatibility with other archs)
+         * kernel. If offset is 0, then it is determined automatically.
          * By reserving this memory we guarantee that linux never set's it
          * up as a DMA target.Useful for holding code to do something
          * appropriate after a kernel panic.
@@ -266,10 +266,16 @@ reserve_memory (void)
                 unsigned long base, size;
                 if (from) {
                         size = memparse(from + 12, &from);
+                        if (*from == '@')
+                                base = memparse(from+1, &from);
+                        else
+                                base = 0;
                         if (size) {
-                                sort_regions(rsvd_region, n);
-                                base = kdump_find_rsvd_region(size,
-                                rsvd_region, n);
+                                if (!base) {
+                                        sort_regions(rsvd_region, n);
+                                        base = kdump_find_rsvd_region(size,
+                                                                rsvd_region, n);
+                                        }
                                 if (base != ~0UL) {
                                         rsvd_region[n].start =
                                                 (unsigned long)__va(base);
@@ -434,6 +440,21 @@ static __init int setup_nomca(char *s)
 }
 early_param("nomca", setup_nomca);
 
+#ifdef CONFIG_PROC_VMCORE
+/* elfcorehdr= specifies the location of elf core header
+ * stored by the crashed kernel.
+ */
+static int __init parse_elfcorehdr(char *arg)
+{
+        if (!arg)
+                return -EINVAL;
+
+        elfcorehdr_addr = memparse(arg, &arg);
+        return 0;
+}
+early_param("elfcorehdr", parse_elfcorehdr);
+#endif /* CONFIG_PROC_VMCORE */
+
 void __init
 setup_arch (char **cmdline_p)
 {
@@ -653,6 +674,7 @@ get_model_name(__u8 family, __u8 model)
 {
         char brand[128];
 
+        memcpy(brand, "Unknown", 8);
         if (ia64_pal_get_brand_info(brand)) {
                 if (family == 0x7)
                         memcpy(brand, "Merced", 7);
@@ -660,8 +682,7 @@ get_model_name(__u8 family, __u8 model)
                         case 0: memcpy(brand, "McKinley", 9); break;
                         case 1: memcpy(brand, "Madison", 8); break;
                         case 2: memcpy(brand, "Madison up to 9M cache", 23); break;
-                } else
-                        memcpy(brand, "Unknown", 8);
+                }
         }
         if (brandname[0] == '\0')
                 return strcpy(brandname, brand);