The patch titled
Fix CONFIG_NOHIGHMEM for extended crashkernel command line
has been added to the -mm tree. Its filename is
use-extended-crashkernel-command-line-on-i386-fix-config_nohighmem-for-extended-crashkernel-command-line.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Fix CONFIG_NOHIGHMEM for extended crashkernel command line
From: Bernhard Walle <bwalle@xxxxxxx>
This patch fixes a build error with CONFIG_KEXEC=y and CONFIG_NOHIGHMEM=y.
linux-2.6-mm$ LANG=C make
CHK include/linux/version.h
CHK include/linux/utsrelease.h
CALL scripts/checksyscalls.sh
CHK include/linux/compile.h
CC arch/i386/kernel/setup.o
arch/i386/kernel/setup.c: In function 'reserve_crashkernel':
arch/i386/kernel/setup.c:391: error: 'highend_pfn' undeclared (first use in this function)
arch/i386/kernel/setup.c:391: error: (Each undeclared identifier is reported only once
arch/i386/kernel/setup.c:391: error: for each function it appears in.)
arch/i386/kernel/setup.c:391: error: 'highstart_pfn' undeclared (first use in this function)
make[1]: *** [arch/i386/kernel/setup.o] Error 1
make: *** [arch/i386/kernel] Error 2
Signed-off-by: Bernhard Walle <bwalle@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/i386/kernel/setup.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff -puN arch/i386/kernel/setup.c~use-extended-crashkernel-command-line-on-i386-fix-config_nohighmem-for-extended-crashkernel-command-line arch/i386/kernel/setup.c
--- a/arch/i386/kernel/setup.c~use-extended-crashkernel-command-line-on-i386-fix-config_nohighmem-for-extended-crashkernel-command-line
+++ a/arch/i386/kernel/setup.c
@@ -381,6 +381,20 @@ extern unsigned long __init setup_memory
extern void zone_sizes_init(void);
#endif /* !CONFIG_NEED_MULTIPLE_NODES */
+
+#ifdef CONFIG_HIGHMEM
+static inline unsigned long long get_total_mem(void)
+{
+ return (max_low_pfn + highend_pfn - highstart_pfn) << PAGE_SHIFT;
+}
+#else
+static inline unsigned long long get_total_mem(void)
+{
+ return max_low_pfn << PAGE_SHIFT;
+}
+#endif
+
+
#ifdef CONFIG_KEXEC
static void __init reserve_crashkernel(void)
{
@@ -388,7 +402,7 @@ static void __init reserve_crashkernel(v
unsigned long long crash_size, crash_base;
int ret;
- free_mem = (max_low_pfn + highend_pfn - highstart_pfn) << PAGE_SHIFT;
+ free_mem = get_total_mem();
ret = parse_crashkernel(boot_command_line, free_mem,
&crash_size, &crash_base);
_
Patches currently in -mm which might be from bwalle@xxxxxxx are
ipsc-update-version-information.patch
add-vmcoreinfo.patch
express-relocatability-of-kernel-on-x86_64-in-documentation.patch
express-relocatability-of-kernel-on-x86_64-in.patch
express-new-elf32-mechanisms-in-documentation.patch
add-reset_devices-to-the-recommended-parameters.patch
extended-crashkernel-command-line.patch
use-extended-crashkernel-command-line-on-i386.patch
use-extended-crashkernel-command-line-on-i386-fix-config_nohighmem-for-extended-crashkernel-command-line.patch
use-extended-crashkernel-command-line-on-i386-fix-config_nohighmem-for-extended-crashkernel-command-line-fix.patch
use-extended-crashkernel-command-line-on-x86_64.patch
use-extended-crashkernel-command-line-on-ia64.patch
use-extended-crashkernel-command-line-on-ia64-fix.patch
use-extended-crashkernel-command-line-on-ppc64.patch
use-extended-crashkernel-command-line-on-sh.patch
add-documentation-for-extended-crashkernel-syntax.patch
add-documentation-for-extended-crashkernel-syntax-add-extended-crashkernel-syntax-to-kernel-parameterstxt.patch
-
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