cmdline argument is not used in reserve_crashkernel_generic() so remove
it. Correspondingly, all the callers have been updated as well.

No functional change intended.

Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Hari Bathini <hbath...@linux.ibm.com>
Cc: Madhavan Srinivasan <ma...@linux.ibm.com>
Cc: Mahesh Salgaonkar <mah...@linux.ibm.com>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: ke...@lists.infradead.org
Cc: linux-ker...@vger.kernel.org
Acked-by: Baoquan He <b...@redhat.com>
Signed-off-by: Sourabh Jain <sourabhj...@linux.ibm.com>
---
 arch/arm64/mm/init.c          |  6 ++----
 arch/loongarch/kernel/setup.c |  5 ++---
 arch/riscv/mm/init.c          |  6 ++----
 arch/x86/kernel/setup.c       |  6 ++----
 include/linux/crash_reserve.h | 11 +++++------
 kernel/crash_reserve.c        |  9 ++++-----
 6 files changed, 17 insertions(+), 26 deletions(-)

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 9c0b8d9558fc..6c5a1ee4b5d3 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -98,21 +98,19 @@ static void __init arch_reserve_crashkernel(void)
 {
        unsigned long long low_size = 0;
        unsigned long long crash_base, crash_size;
-       char *cmdline = boot_command_line;
        bool high = false;
        int ret;
 
        if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
                return;
 
-       ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
+       ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
                                &crash_size, &crash_base,
                                &low_size, &high);
        if (ret)
                return;
 
-       reserve_crashkernel_generic(cmdline, crash_size, crash_base,
-                                   low_size, high);
+       reserve_crashkernel_generic(crash_size, crash_base, low_size, high);
 }
 
 static phys_addr_t __init max_zone_phys(phys_addr_t zone_limit)
diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index 56934fe58170..ece9c4266c3f 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -259,18 +259,17 @@ static void __init arch_reserve_crashkernel(void)
        int ret;
        unsigned long long low_size = 0;
        unsigned long long crash_base, crash_size;
-       char *cmdline = boot_command_line;
        bool high = false;
 
        if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
                return;
 
-       ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
+       ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
                                &crash_size, &crash_base, &low_size, &high);
        if (ret)
                return;
 
-       reserve_crashkernel_generic(cmdline, crash_size, crash_base, low_size, 
high);
+       reserve_crashkernel_generic(crash_size, crash_base, low_size, high);
 }
 
 static void __init fdt_setup(void)
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 8d167e09f1fe..16b81beb41bf 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -1392,21 +1392,19 @@ static void __init arch_reserve_crashkernel(void)
 {
        unsigned long long low_size = 0;
        unsigned long long crash_base, crash_size;
-       char *cmdline = boot_command_line;
        bool high = false;
        int ret;
 
        if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
                return;
 
-       ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
+       ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
                                &crash_size, &crash_base,
                                &low_size, &high);
        if (ret)
                return;
 
-       reserve_crashkernel_generic(cmdline, crash_size, crash_base,
-                                   low_size, high);
+       reserve_crashkernel_generic(crash_size, crash_base, low_size, high);
 }
 
 void __init paging_init(void)
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index f1fea506e20f..15b6823556c8 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -469,14 +469,13 @@ static void __init 
memblock_x86_reserve_range_setup_data(void)
 static void __init arch_reserve_crashkernel(void)
 {
        unsigned long long crash_base, crash_size, low_size = 0;
-       char *cmdline = boot_command_line;
        bool high = false;
        int ret;
 
        if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
                return;
 
-       ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
+       ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
                                &crash_size, &crash_base,
                                &low_size, &high);
        if (ret)
@@ -487,8 +486,7 @@ static void __init arch_reserve_crashkernel(void)
                return;
        }
 
-       reserve_crashkernel_generic(cmdline, crash_size, crash_base,
-                                   low_size, high);
+       reserve_crashkernel_generic(crash_size, crash_base, low_size, high);
 }
 
 static struct resource standard_io_resources[] = {
diff --git a/include/linux/crash_reserve.h b/include/linux/crash_reserve.h
index 5a9df944fb80..1fe7e7d1b214 100644
--- a/include/linux/crash_reserve.h
+++ b/include/linux/crash_reserve.h
@@ -32,13 +32,12 @@ int __init parse_crashkernel(char *cmdline, unsigned long 
long system_ram,
 #define CRASH_ADDR_HIGH_MAX            memblock_end_of_DRAM()
 #endif
 
-void __init reserve_crashkernel_generic(char *cmdline,
-               unsigned long long crash_size,
-               unsigned long long crash_base,
-               unsigned long long crash_low_size,
-               bool high);
+void __init reserve_crashkernel_generic(unsigned long long crash_size,
+                                       unsigned long long crash_base,
+                                       unsigned long long crash_low_size,
+                                       bool high);
 #else
-static inline void __init reserve_crashkernel_generic(char *cmdline,
+static inline void __init reserve_crashkernel_generic(
                unsigned long long crash_size,
                unsigned long long crash_base,
                unsigned long long crash_low_size,
diff --git a/kernel/crash_reserve.c b/kernel/crash_reserve.c
index a620fb4b2116..aff7c0fdbefa 100644
--- a/kernel/crash_reserve.c
+++ b/kernel/crash_reserve.c
@@ -375,11 +375,10 @@ static int __init reserve_crashkernel_low(unsigned long 
long low_size)
        return 0;
 }
 
-void __init reserve_crashkernel_generic(char *cmdline,
-                            unsigned long long crash_size,
-                            unsigned long long crash_base,
-                            unsigned long long crash_low_size,
-                            bool high)
+void __init reserve_crashkernel_generic(unsigned long long crash_size,
+                                       unsigned long long crash_base,
+                                       unsigned long long crash_low_size,
+                                       bool high)
 {
        unsigned long long search_end = CRASH_ADDR_LOW_MAX, search_base = 0;
        bool fixed_base = false;
-- 
2.47.1


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