The patch titled
kdump: add KEXEC_CRASH_CONTROL_MEMORY_LIMIT
has been added to the -mm tree. Its filename is
kdump-add-kexec_crash_control_memory_limit.patch
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------------------------------------------------------
Subject: kdump: add KEXEC_CRASH_CONTROL_MEMORY_LIMIT
From: Michael Holzheu <holzheu@xxxxxxxxxxxxxxxxxx>
On s390 there is a different KEXEC_CONTROL_MEMORY_LIMIT for the normal and
the kdump kexec case. Therefore this patch introduces a new macro
KEXEC_CRASH_CONTROL_MEMORY_LIMIT. This is set to
KEXEC_CONTROL_MEMORY_LIMIT for all architectures that do not define
KEXEC_CRASH_CONTROL_MEMORY_LIMIT.
Signed-off-by: Michael Holzheu <holzheu@xxxxxxxxxxxxxxxxxx>
Acked-by: Vivek Goyal <vgoyal@xxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/kexec.h | 4 ++++
kernel/kexec.c | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff -puN include/linux/kexec.h~kdump-add-kexec_crash_control_memory_limit include/linux/kexec.h
--- a/include/linux/kexec.h~kdump-add-kexec_crash_control_memory_limit
+++ a/include/linux/kexec.h
@@ -33,6 +33,10 @@
#error KEXEC_ARCH not defined
#endif
+#ifndef KEXEC_CRASH_CONTROL_MEMORY_LIMIT
+#define KEXEC_CRASH_CONTROL_MEMORY_LIMIT KEXEC_CONTROL_MEMORY_LIMIT
+#endif
+
#define KEXEC_NOTE_HEAD_BYTES ALIGN(sizeof(struct elf_note), 4)
#define KEXEC_CORE_NOTE_NAME "CORE"
#define KEXEC_CORE_NOTE_NAME_BYTES ALIGN(sizeof(KEXEC_CORE_NOTE_NAME), 4)
diff -puN kernel/kexec.c~kdump-add-kexec_crash_control_memory_limit kernel/kexec.c
--- a/kernel/kexec.c~kdump-add-kexec_crash_control_memory_limit
+++ a/kernel/kexec.c
@@ -498,7 +498,7 @@ static struct page *kimage_alloc_crash_c
while (hole_end <= crashk_res.end) {
unsigned long i;
- if (hole_end > KEXEC_CONTROL_MEMORY_LIMIT)
+ if (hole_end > KEXEC_CRASH_CONTROL_MEMORY_LIMIT)
break;
if (hole_end > crashk_res.end)
break;
_
Patches currently in -mm which might be from holzheu@xxxxxxxxxxxxxxxxxx are
kdump-add-kexec_crash_control_memory_limit.patch
kdump-add-size-to-elfcorehdr-kernel-parameter.patch
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