diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/memory.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/memory.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/ANDROID_3.4.5/include/linux/memory.h b/ANDROID_3.4.5/include/linux/memory.h deleted file mode 100644 index 1ac7f6e4..00000000 --- a/ANDROID_3.4.5/include/linux/memory.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * include/linux/memory.h - generic memory definition - * - * This is mainly for topological representation. We define the - * basic "struct memory_block" here, which can be embedded in per-arch - * definitions or NUMA information. - * - * Basic handling of the devices is done in drivers/base/memory.c - * and system devices are handled in drivers/base/sys.c. - * - * Memory block are exported via sysfs in the class/memory/devices/ - * directory. - * - */ -#ifndef _LINUX_MEMORY_H_ -#define _LINUX_MEMORY_H_ - -#include <linux/node.h> -#include <linux/compiler.h> -#include <linux/mutex.h> - -#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS) - -struct memory_block { - unsigned long start_section_nr; - unsigned long end_section_nr; - unsigned long state; - int section_count; - - /* - * This serializes all state change requests. It isn't - * held during creation because the control files are - * created long after the critical areas during - * initialization. - */ - struct mutex state_mutex; - 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 arch_get_memory_phys_device(unsigned long start_pfn); - -/* These states are exposed to userspace as text strings in sysfs */ -#define MEM_ONLINE (1<<0) /* exposed to userspace */ -#define MEM_GOING_OFFLINE (1<<1) /* exposed to userspace */ -#define MEM_OFFLINE (1<<2) /* exposed to userspace */ -#define MEM_GOING_ONLINE (1<<3) -#define MEM_CANCEL_ONLINE (1<<4) -#define MEM_CANCEL_OFFLINE (1<<5) - -struct memory_notify { - unsigned long start_pfn; - unsigned long nr_pages; - 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; - -/* - * Priorities for the hotplug memory callback routines (stored in decreasing - * order in the callback chain) - */ -#define SLAB_CALLBACK_PRI 1 -#define IPC_CALLBACK_PRI 10 - -#ifndef CONFIG_MEMORY_HOTPLUG_SPARSE -static inline int memory_dev_init(void) -{ - return 0; -} -static inline int register_memory_notifier(struct notifier_block *nb) -{ - return 0; -} -static inline void unregister_memory_notifier(struct notifier_block *nb) -{ -} -static inline int memory_notify(unsigned long val, void *v) -{ - 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); -extern int register_new_memory(int, struct mem_section *); -extern int unregister_memory_section(struct mem_section *); -extern int memory_dev_init(void); -extern int remove_memory_block(unsigned long, struct mem_section *, int); -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 *); -#define CONFIG_MEM_BLOCK_SIZE (PAGES_PER_SECTION<<PAGE_SHIFT) -enum mem_add_context { BOOT, HOTPLUG }; -#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */ - -#ifdef CONFIG_MEMORY_HOTPLUG -#define hotplug_memory_notifier(fn, pri) { \ - static __meminitdata struct notifier_block fn##_mem_nb =\ - { .notifier_call = fn, .priority = pri }; \ - register_memory_notifier(&fn##_mem_nb); \ -} -#else -#define hotplug_memory_notifier(fn, pri) do { } while (0) -#endif - -/* - * 'struct memory_accessor' is a generic interface to provide - * in-kernel access to persistent memory such as i2c or SPI EEPROMs - */ -struct memory_accessor { - ssize_t (*read)(struct memory_accessor *, char *buf, off_t offset, - size_t count); - ssize_t (*write)(struct memory_accessor *, const char *buf, - off_t offset, size_t count); -}; - -/* - * Kernel text modification mutex, used for code patching. Users of this lock - * can sleep. - */ -extern struct mutex text_mutex; - -#endif /* _LINUX_MEMORY_H_ */ |