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Subject[PATCH 3/5] x86/setup/crash: Cleanup some more
Date
From: Borislav Petkov <bp@suse.de>

* Remove unused auto_set variable
* Cleanup local function variable declarations
* Reformat printk string and use pr_info()

No functionality change.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Young <dyoung@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: jerry_hoemann@hp.com
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Juergen Gross <jgross@suse.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: WANG Chao <chaowang@redhat.com>
Cc: x86-ml <x86@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
---
arch/x86/kernel/setup.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index ea086dd8e821..d4788719a1e2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -499,17 +499,15 @@ static void __init memblock_x86_reserve_range_setup_data(void)
static int __init reserve_crashkernel_low(void)
{
#ifdef CONFIG_X86_64
- unsigned long long low_base = 0, low_size = 0;
+ unsigned long long base, low_base = 0, low_size = 0;
unsigned long total_low_mem;
- unsigned long long base;
- bool auto_set = false;
int ret;

total_low_mem = memblock_mem_size(1UL << (32 - PAGE_SHIFT));

/* crashkernel=Y,low */
ret = parse_crashkernel_low(boot_command_line, total_low_mem, &low_size, &base);
- if (ret != 0) {
+ if (ret) {
/*
* two parts from lib/swiotlb.c:
* -swiotlb size: user-specified with swiotlb= or default.
@@ -520,7 +518,6 @@ static int __init reserve_crashkernel_low(void)
* don't run out of DMA buffers for 32-bit devices.
*/
low_size = max(swiotlb_size_or_default() + (8UL << 20), 256UL << 20);
- auto_set = true;
} else {
/* passed with crashkernel=0,low ? */
if (!low_size)
@@ -550,8 +547,7 @@ static int __init reserve_crashkernel_low(void)

static void __init reserve_crashkernel(void)
{
- unsigned long long total_mem;
- unsigned long long crash_size, crash_base;
+ unsigned long long crash_size, crash_base, total_mem;
bool high = false;
int ret;

@@ -600,11 +596,10 @@ static void __init reserve_crashkernel(void)
return;
}

- printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
- "for crashkernel (System RAM: %ldMB)\n",
- (unsigned long)(crash_size >> 20),
- (unsigned long)(crash_base >> 20),
- (unsigned long)(total_mem >> 20));
+ pr_info("Reserving %ldMB of memory at %ldMB for crashkernel (System RAM: %ldMB)\n",
+ (unsigned long)(crash_size >> 20),
+ (unsigned long)(crash_base >> 20),
+ (unsigned long)(total_mem >> 20));

crashk_res.start = crash_base;
crashk_res.end = crash_base + crash_size - 1;
--
2.3.5


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