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crash_core: change the prototype of function parse_crashkernel()

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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/20230914033142.676708-3-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chen Jiahao <chenjiahao16@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Baoquan He
2023-09-14 11:31:35 +08:00
committed by Andrew Morton
parent a6304272b0
commit a9e1a3d84e
14 changed files with 32 additions and 17 deletions
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kernel/crash_core.c
+12 -3
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@@ -287,10 +287,19 @@ static int __init __parse_crashkernel(char *cmdline,
int __init parse_crashkernel(char *cmdline,
unsigned long long system_ram,
unsigned long long *crash_size,
unsigned long long *crash_base)
unsigned long long *crash_base,
unsigned long long *low_size,
bool *high)
{
return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
NULL);
int ret;
/* crashkernel=X[@offset] */
ret = __parse_crashkernel(cmdline, system_ram, crash_size,
crash_base, NULL);
if (!high)
return ret;
return 0;
}
int __init parse_crashkernel_high(char *cmdline,