The patch titled
Subject: kdump: print a message in case parse_crashkernel_mem resulted in zero bytes
has been removed from the -mm tree. Its filename was
kdump-print-a-message-in-case-parse_crashkernel_mem-resulted-in-zero-bytes.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Dave Young <dyoung@xxxxxxxxxx>
Subject: kdump: print a message in case parse_crashkernel_mem resulted in zero bytes
parse_crashkernel_mem() silently returns if we get zero bytes in the
parsing function. It is useful for debugging to add a message, especially
if the kernel cannot boot correctly.
Add a pr_info instead of pr_warn because it is expected behavior for size
= 0, eg. crashkernel=2G-4G:128M, size will be 0 in case system memory is
less than 2G.
Link: http://lkml.kernel.org/r/20171114080129.GA6115@xxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Dave Young <dyoung@xxxxxxxxxx>
Cc: Baoquan He <bhe@xxxxxxxxxx>
Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
Cc: Bhupesh Sharma <bhsharma@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/crash_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN kernel/crash_core.c~kdump-print-a-message-in-case-parse_crashkernel_mem-resulted-in-zero-bytes kernel/crash_core.c
--- a/kernel/crash_core.c~kdump-print-a-message-in-case-parse_crashkernel_mem-resulted-in-zero-bytes
+++ a/kernel/crash_core.c
@@ -108,7 +108,8 @@ static int __init parse_crashkernel_mem(
return -EINVAL;
}
}
- }
+ } else
+ pr_info("crashkernel size resulted in zero bytes\n");
return 0;
}
_
Patches currently in -mm which might be from dyoung@xxxxxxxxxx are
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