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authorBaoquan He <[email protected]>2023-09-14 11:31:36 +0800
committerAndrew Morton <[email protected]>2023-10-04 10:41:58 -0700
commit70916e9c8d9f1a286c99727072b22e395097909f (patch)
tree159be34fb7acc4470c0ce05516f0314c56c76069 /include/linux
parenta9e1a3d84e4a0ea560ed4d84c28d06dbfdffed22 (diff)
crash_core: change parse_crashkernel() to support crashkernel=,high|low parsing
Now parse_crashkernel() is a real entry point for all kinds of crahskernel parsing on any architecture. And wrap the crahskernel=,high|low handling inside CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION ifdeffery scope. 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]>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/crash_core.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
index 6156355ef831..d8050a7eab01 100644
--- a/include/linux/crash_core.h
+++ b/include/linux/crash_core.h
@@ -79,6 +79,12 @@ Elf_Word *append_elf_note(Elf_Word *buf, char *name, unsigned int type,
void *data, size_t data_len);
void final_note(Elf_Word *buf);
+#ifdef CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION
+#ifndef DEFAULT_CRASH_KERNEL_LOW_SIZE
+#define DEFAULT_CRASH_KERNEL_LOW_SIZE (128UL << 20)
+#endif
+#endif
+
int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
unsigned long long *crash_size, unsigned long long *crash_base,
unsigned long long *low_size, bool *high);