From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/include/linux/memory.h | 44 ++++++--------------------------------------
1 files changed, 6 insertions(+), 38 deletions(-)
diff --git a/kernel/include/linux/memory.h b/kernel/include/linux/memory.h
index 5c41136..4da95e6 100644
--- a/kernel/include/linux/memory.h
+++ b/kernel/include/linux/memory.h
@@ -25,15 +25,10 @@
struct memory_block {
unsigned long start_section_nr;
- unsigned long end_section_nr;
unsigned long state; /* serialized by the dev->lock */
- int section_count; /* serialized by mem_sysfs_mutex */
int online_type; /* for passing data to online routine */
- int phys_device; /* to which fru does this belong? */
- void *hw; /* optional pointer to fw/hw data */
- int (*phys_callback)(struct memory_block *);
- struct device dev;
int nid; /* NID for this memory block */
+ struct device dev;
};
int arch_get_memory_phys_device(unsigned long start_pfn);
@@ -56,19 +51,6 @@
int status_change_nid;
};
-/*
- * During pageblock isolation, count the number of pages within the
- * range [start_pfn, start_pfn + nr_pages) which are owned by code
- * in the notifier chain.
- */
-#define MEM_ISOLATE_COUNT (1<<0)
-
-struct memory_isolate_notify {
- unsigned long start_pfn; /* Start of range to check */
- unsigned int nr_pages; /* # pages in range to check */
- unsigned int pages_found; /* # pages owned found by callbacks */
-};
-
struct notifier_block;
struct mem_section;
@@ -80,9 +62,9 @@
#define IPC_CALLBACK_PRI 10
#ifndef CONFIG_MEMORY_HOTPLUG_SPARSE
-static inline int memory_dev_init(void)
+static inline void memory_dev_init(void)
{
- return 0;
+ return;
}
static inline int register_memory_notifier(struct notifier_block *nb)
{
@@ -95,31 +77,17 @@
{
return 0;
}
-static inline int register_memory_isolate_notifier(struct notifier_block *nb)
-{
- return 0;
-}
-static inline void unregister_memory_isolate_notifier(struct notifier_block *nb)
-{
-}
-static inline int memory_isolate_notify(unsigned long val, void *v)
-{
- return 0;
-}
#else
extern int register_memory_notifier(struct notifier_block *nb);
extern void unregister_memory_notifier(struct notifier_block *nb);
-extern int register_memory_isolate_notifier(struct notifier_block *nb);
-extern void unregister_memory_isolate_notifier(struct notifier_block *nb);
int create_memory_block_devices(unsigned long start, unsigned long size);
void remove_memory_block_devices(unsigned long start, unsigned long size);
-extern int memory_dev_init(void);
+extern void memory_dev_init(void);
extern int memory_notify(unsigned long val, void *v);
-extern int memory_isolate_notify(unsigned long val, void *v);
-extern struct memory_block *find_memory_block_hinted(struct mem_section *,
- struct memory_block *);
extern struct memory_block *find_memory_block(struct mem_section *);
typedef int (*walk_memory_blocks_func_t)(struct memory_block *, void *);
+extern int walk_memory_blocks(unsigned long start, unsigned long size,
+ void *arg, walk_memory_blocks_func_t func);
extern int for_each_memory_block(void *arg, walk_memory_blocks_func_t func);
#define CONFIG_MEM_BLOCK_SIZE (PAGES_PER_SECTION<<PAGE_SHIFT)
#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
--
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