The patch titled
Subject: kexec: replace crash_mem_range with range
has been added to the -mm mm-nonmm-unstable branch. Its filename is
kexec-replace-crash_mem_range-with-range.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kexec-replace-crash_mem_range-with-range.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Li Chen <lchen@xxxxxxxxxxxxx>
Subject: kexec: replace crash_mem_range with range
Date: Thu, 29 Sep 2022 12:29:35 +0800
We already have struct range, so just use it.
Link: https://lkml.kernel.org/r/20220929042936.22012-4-bhe@xxxxxxxxxx
Signed-off-by: Li Chen <lchen@xxxxxxxxxxxxx>
Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
Acked-by: Baoquan He <bhe@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Chen Lifu <chenlifu@xxxxxxxxxx>
Cc: "Eric W . Biederman" <ebiederm@xxxxxxxxxxxx>
Cc: Jianglei Nie <niejianglei2021@xxxxxxx>
Cc: Petr Mladek <pmladek@xxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: ye xingchen <ye.xingchen@xxxxxxxxxx>
Cc: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kexec/file_load_64.c | 2 +-
arch/powerpc/kexec/ranges.c | 8 ++++----
include/linux/kexec.h | 7 ++-----
kernel/kexec_file.c | 2 +-
4 files changed, 8 insertions(+), 11 deletions(-)
--- a/arch/powerpc/kexec/file_load_64.c~kexec-replace-crash_mem_range-with-range
+++ a/arch/powerpc/kexec/file_load_64.c
@@ -35,7 +35,7 @@ struct umem_info {
/* usable memory ranges to look up */
unsigned int nr_ranges;
- const struct crash_mem_range *ranges;
+ const struct range *ranges;
};
const struct kexec_file_ops * const kexec_file_loaders[] = {
--- a/arch/powerpc/kexec/ranges.c~kexec-replace-crash_mem_range-with-range
+++ a/arch/powerpc/kexec/ranges.c
@@ -33,7 +33,7 @@
static inline unsigned int get_max_nr_ranges(size_t size)
{
return ((size - sizeof(struct crash_mem)) /
- sizeof(struct crash_mem_range));
+ sizeof(struct range));
}
/**
@@ -51,7 +51,7 @@ static inline size_t get_mem_rngs_size(s
return 0;
size = (sizeof(struct crash_mem) +
- (mem_rngs->max_nr_ranges * sizeof(struct crash_mem_range)));
+ (mem_rngs->max_nr_ranges * sizeof(struct range)));
/*
* Memory is allocated in size multiple of MEM_RANGE_CHUNK_SZ.
@@ -98,7 +98,7 @@ static int __add_mem_range(struct crash_
*/
static void __merge_memory_ranges(struct crash_mem *mem_rngs)
{
- struct crash_mem_range *ranges;
+ struct range *ranges;
int i, idx;
if (!mem_rngs)
@@ -123,7 +123,7 @@ static void __merge_memory_ranges(struct
/* cmp_func_t callback to sort ranges with sort() */
static int rngcmp(const void *_x, const void *_y)
{
- const struct crash_mem_range *x = _x, *y = _y;
+ const struct range *x = _x, *y = _y;
if (x->start > y->start)
return 1;
--- a/include/linux/kexec.h~kexec-replace-crash_mem_range-with-range
+++ a/include/linux/kexec.h
@@ -17,6 +17,7 @@
#include <linux/crash_core.h>
#include <asm/io.h>
+#include <linux/range.h>
#include <uapi/linux/kexec.h>
#include <linux/verification.h>
@@ -240,14 +241,10 @@ static inline int arch_kexec_locate_mem_
/* Alignment required for elf header segment */
#define ELF_CORE_HEADER_ALIGN 4096
-struct crash_mem_range {
- u64 start, end;
-};
-
struct crash_mem {
unsigned int max_nr_ranges;
unsigned int nr_ranges;
- struct crash_mem_range ranges[];
+ struct range ranges[];
};
extern int crash_exclude_mem_range(struct crash_mem *mem,
--- a/kernel/kexec_file.c~kexec-replace-crash_mem_range-with-range
+++ a/kernel/kexec_file.c
@@ -1141,7 +1141,7 @@ int crash_exclude_mem_range(struct crash
{
int i, j;
unsigned long long start, end, p_start, p_end;
- struct crash_mem_range temp_range = {0, 0};
+ struct range temp_range = {0, 0};
for (i = 0; i < mem->nr_ranges; i++) {
start = mem->ranges[i].start;
_
Patches currently in -mm which might be from lchen@xxxxxxxxxxxxx are
kexec-replace-crash_mem_range-with-range.patch
