crash_core: change the prototype of function parse_crashkernel()

Add two parameters 'low_size' and 'high' to function parse_crashkernel(),
later crashkernel=,high|low parsing will be added.  Make adjustments in
all call sites of parse_crashkernel() in arch.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Baoquan He <[email protected]>
Reviewed-by: Zhen Lei <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Chen Jiahao <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Baoquan He

arch/arm/kernel/setup.c

@@ -1010,7 +1010,8 @@ static void __init reserve_crashkernel(void)
 
 	total_mem = get_total_mem();
 	ret = parse_crashkernel(boot_command_line, total_mem,
-				&crash_size, &crash_base);
+				&crash_size, &crash_base,
+				NULL, NULL);
 	/* invalid value specified or crashkernel=0 */
 	if (ret || !crash_size)
 		return;

arch/arm64/mm/init.c

@@ -142,7 +142,7 @@ static void __init reserve_crashkernel(void)
 
 	/* crashkernel=X[@offset] */
 	ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
-				&crash_size, &crash_base);
+				&crash_size, &crash_base, NULL, NULL);
 	if (ret == -ENOENT) {
 		ret = parse_crashkernel_high(cmdline, 0, &crash_size, &crash_base);
 		if (ret || !crash_size)

arch/ia64/kernel/setup.c

@@ -277,7 +277,7 @@ static void __init setup_crashkernel(unsigned long total, int *n)
 	int ret;
 
 	ret = parse_crashkernel(boot_command_line, total,
-			&size, &base);
+			&size, &base, NULL, NULL);
 	if (ret == 0 && size > 0) {
 		if (!base) {
 			sort_regions(rsvd_region, *n);

arch/loongarch/kernel/setup.c

@@ -267,7 +267,9 @@ static void __init arch_parse_crashkernel(void)
 	unsigned long long crash_base, crash_size;
 
 	total_mem = memblock_phys_mem_size();
-	ret = parse_crashkernel(boot_command_line, total_mem, &crash_size, &crash_base);
+	ret = parse_crashkernel(boot_command_line, total_mem,
+				&crash_size, &crash_base,
+				NULL, NULL);
 	if (ret < 0 || crash_size <= 0)
 		return;
 

arch/mips/kernel/setup.c

@@ -460,7 +460,8 @@ static void __init mips_parse_crashkernel(void)
 
 	total_mem = memblock_phys_mem_size();
 	ret = parse_crashkernel(boot_command_line, total_mem,
-				&crash_size, &crash_base);
+				&crash_size, &crash_base,
+				NULL, NULL);
 	if (ret != 0 || crash_size <= 0)
 		return;
 

arch/powerpc/kernel/fadump.c

@@ -313,7 +313,7 @@ static __init u64 fadump_calculate_reserve_size(void)
 	 * memory at a predefined offset.
 	 */
 	ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
-				&size, &base);
+				&size, &base, NULL, NULL);
 	if (ret == 0 && size > 0) {
 		unsigned long max_size;
 

arch/powerpc/kexec/core.c

@@ -109,7 +109,7 @@ void __init reserve_crashkernel(void)
 	total_mem_sz = memory_limit ? memory_limit : memblock_phys_mem_size();
 	/* use common parsing */
 	ret = parse_crashkernel(boot_command_line, total_mem_sz,
-			&crash_size, &crash_base);
+			&crash_size, &crash_base, NULL, NULL);
 	if (ret == 0 && crash_size > 0) {
 		crashk_res.start = crash_base;
 		crashk_res.end = crash_base + crash_size - 1;

arch/powerpc/mm/nohash/kaslr_booke.c

@@ -178,7 +178,7 @@ static void __init get_crash_kernel(void *fdt, unsigned long size)
 	int ret;
 
 	ret = parse_crashkernel(boot_command_line, size, &crash_size,
-				&crash_base);
+				&crash_base, NULL, NULL);
 	if (ret != 0 || crash_size == 0)
 		return;
 	if (crash_base == 0)

arch/riscv/mm/init.c

@@ -1388,7 +1388,7 @@ static void __init reserve_crashkernel(void)
 	}
 
 	ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
-				&crash_size, &crash_base);
+				&crash_size, &crash_base, NULL, NULL);
 	if (ret == -ENOENT) {
 		/* Fallback to crashkernel=X,[high,low] */
 		ret = parse_crashkernel_high(cmdline, 0, &crash_size, &crash_base);

arch/s390/kernel/setup.c

@@ -625,8 +625,8 @@ static void __init reserve_crashkernel(void)
 	phys_addr_t low, high;
 	int rc;
 
-	rc = parse_crashkernel(boot_command_line, ident_map_size, &crash_size,
-			       &crash_base);
+	rc = parse_crashkernel(boot_command_line, ident_map_size,
+			       &crash_size, &crash_base, NULL, NULL);
 
 	crash_base = ALIGN(crash_base, KEXEC_CRASH_MEM_ALIGN);
 	crash_size = ALIGN(crash_size, KEXEC_CRASH_MEM_ALIGN);