arm: rename crash_reserved_mem to crash_kernel_mem

Rename crash_reserved_mem to crash_kernel_mem as we want to support
multiple reserved memory ranges.

Reviewed-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Simon Horman <horms@verge.net.au>

1 files changed, 14 insertions, 14 deletions

diff --git a/kexec/arch/arm/crashdump-arm.c b/kexec/arch/arm/crashdump-arm.c
index f2e6a0d2..1a6ab88f 100644
--- a/kexec/arch/arm/crashdump-arm.c
+++ b/kexec/arch/arm/crashdump-arm.c
@@ -53,7 +53,7 @@ struct memory_ranges usablemem_rgns = {
 };
 
 /* memory range reserved for crashkernel */
-static struct memory_range crash_reserved_mem;
+static struct memory_range crash_kernel_mem;
 
 static struct crash_elf_info elf_info = {
 	.class		= ELFCLASS32,
@@ -140,7 +140,7 @@ static int get_kernel_page_offset(struct kexec_info *info,
  */
 static void crash_exclude_range(void)
 {
-	const struct memory_range *range = &crash_reserved_mem;
+	const struct memory_range *range = &crash_kernel_mem;
 	int i;
 
 	for (i = 0; i < usablemem_rgns.size; i++) {
@@ -262,8 +262,8 @@ static void dump_memory_ranges(void)
 		return;
 
 	dbgprintf("crashkernel: [%#llx - %#llx] (%ldM)\n",
-		  crash_reserved_mem.start, crash_reserved_mem.end,
-		  (unsigned long)range_size(&crash_reserved_mem) >> 20);
+		  crash_kernel_mem.start, crash_kernel_mem.end,
+		  (unsigned long)range_size(&crash_kernel_mem) >> 20);
 
 	for (i = 0; i < usablemem_rgns.size; i++) {
 		struct memory_range *r = usablemem_rgns.ranges + i;
@@ -313,10 +313,10 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
 	 * Ensure that the crash kernel memory range is sane. The crash kernel
 	 * must be located within memory which is visible during booting.
 	 */
-	if (crash_reserved_mem.end > ARM_MAX_VIRTUAL) {
+	if (crash_kernel_mem.end > ARM_MAX_VIRTUAL) {
 		fprintf(stderr,
 			"Crash kernel memory [0x%llx-0x%llx] is inaccessible at boot - unable to load crash kernel\n",
-			crash_reserved_mem.start, crash_reserved_mem.end);
+			crash_kernel_mem.start, crash_kernel_mem.end);
 		return -1;
 	}
 
@@ -349,8 +349,8 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
 	 * regions to be aligned to SECTION_SIZE.
 	 */
 	elfcorehdr = add_buffer_phys_virt(info, buf, bufsz, bufsz, 1 << 20,
-					  crash_reserved_mem.start,
-					  crash_reserved_mem.end, -1, 0);
+					  crash_kernel_mem.start,
+					  crash_kernel_mem.end, -1, 0);
 
 	dbgprintf("elfcorehdr: %#lx\n", elfcorehdr);
 	cmdline_add_elfcorehdr(mod_cmdline, elfcorehdr);
@@ -360,7 +360,7 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
 	 * prevents the dump capture kernel from using any other memory regions
 	 * which belong to the primary kernel.
 	 */
-	cmdline_add_mem(mod_cmdline, elfcorehdr - crash_reserved_mem.start);
+	cmdline_add_mem(mod_cmdline, elfcorehdr - crash_kernel_mem.start);
 
 	dump_memory_ranges();
 	dbgprintf("kernel command line: \"%s\"\n", mod_cmdline);
@@ -377,7 +377,7 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
  * @length: size of the memory region
  *
  * This function is called for each memory range in /proc/iomem, stores
- * the location of the crash kernel range into @crash_reserved_mem, and
+ * the location of the crash kernel range into @crash_kernel_mem, and
  * stores the system RAM into @usablemem_rgns.
  */
 static int iomem_range_callback(void *UNUSED(data), int UNUSED(nr),
@@ -385,9 +385,9 @@ static int iomem_range_callback(void *UNUSED(data), int UNUSED(nr),
 				unsigned long long length)
 {
 	if (strncmp(str, CRASH_KERNEL, strlen(CRASH_KERNEL)) == 0) {
-		crash_reserved_mem.start = base;
-		crash_reserved_mem.end = base + length - 1;
-		crash_reserved_mem.type = RANGE_RAM;
+		crash_kernel_mem.start = base;
+		crash_kernel_mem.end = base + length - 1;
+		crash_kernel_mem.type = RANGE_RAM;
 	}
 	else if (strncmp(str, SYSTEM_RAM, strlen(SYSTEM_RAM)) == 0) {
 		return mem_regions_add(&usablemem_rgns,
@@ -407,5 +407,5 @@ int is_crashkernel_mem_reserved(void)
 {
 	kexec_iomem_for_each_line(NULL, iomem_range_callback, NULL);
 
-	return crash_reserved_mem.start != crash_reserved_mem.end;
+	return crash_kernel_mem.start != crash_kernel_mem.end;
 }