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@@ -491,6 +491,22 @@ void __init reserve_standard_io_resources(void)
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}
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}
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+#ifdef CONFIG_PROC_VMCORE
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+/* elfcorehdr= specifies the location of elf core header
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+ * stored by the crashed kernel. This option will be passed
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+ * by kexec loader to the capture kernel.
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+ */
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+static int __init setup_elfcorehdr(char *arg)
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+{
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+ char *end;
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+ if (!arg)
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+ return -EINVAL;
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+ elfcorehdr_addr = memparse(arg, &end);
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+ return end > arg ? 0 : -EINVAL;
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+}
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+early_param("elfcorehdr", setup_elfcorehdr);
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+#endif
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+
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/*
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/*
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* Determine if we were loaded by an EFI loader. If so, then we have also been
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* Determine if we were loaded by an EFI loader. If so, then we have also been
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* passed the efi memmap, systab, etc., so we should use these data structures
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* passed the efi memmap, systab, etc., so we should use these data structures
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