@@ -442,8 +442,6 @@ static void __init mips_reserve_vmcore(void)
#endif
}
-#ifdef CONFIG_KEXEC
-
/* 64M alignment for crash kernel regions */
#define CRASH_ALIGN SZ_64M
#define CRASH_ADDR_MAX SZ_512M
@@ -454,6 +452,9 @@ static void __init mips_parse_crashkernel(void)
unsigned long long crash_size, crash_base;
int ret;
+ if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
+ return;
+
total_mem = memblock_phys_mem_size();
ret = parse_crashkernel(boot_command_line, total_mem,
&crash_size, &crash_base,
@@ -489,6 +490,9 @@ static void __init request_crashkernel(struct resource *res)
{
int ret;
+ if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
+ return;
+
if (crashk_res.start == crashk_res.end)
return;
@@ -498,15 +502,6 @@ static void __init request_crashkernel(struct resource *res)
(unsigned long)(resource_size(&crashk_res) >> 20),
(unsigned long)(crashk_res.start >> 20));
}
-#else /* !defined(CONFIG_KEXEC) */
-static void __init mips_parse_crashkernel(void)
-{
-}
-
-static void __init request_crashkernel(struct resource *res)
-{
-}
-#endif /* !defined(CONFIG_KEXEC) */
static void __init check_kernel_sections_mem(void)
{
Now crash codes under kernel/ folder has been split out from kexec code, crash dumping can be separated from kexec reboot in config items on mips with some adjustments. Here use IS_ENABLED(CONFIG_CRASH_RESERVE) check to decide if compiling in the crashkernel reservation code. Signed-off-by: Baoquan He <bhe@redhat.com> --- arch/mips/kernel/setup.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-)