diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/audit.h | 26 | ||||
-rw-r--r-- | include/linux/decompress/unlz4.h | 10 | ||||
-rw-r--r-- | include/linux/fs.h | 4 | ||||
-rw-r--r-- | include/linux/gfp.h | 2 | ||||
-rw-r--r-- | include/linux/lz4.h | 87 | ||||
-rw-r--r-- | include/linux/mm.h | 6 | ||||
-rw-r--r-- | include/linux/mmzone.h | 28 | ||||
-rw-r--r-- | include/linux/ptrace.h | 10 | ||||
-rw-r--r-- | include/linux/reboot.h | 27 | ||||
-rw-r--r-- | include/linux/scatterlist.h | 5 | ||||
-rw-r--r-- | include/linux/sched.h | 3 | ||||
-rw-r--r-- | include/linux/sem.h | 6 | ||||
-rw-r--r-- | include/linux/vexpress.h | 1 | ||||
-rw-r--r-- | include/linux/vmalloc.h | 12 | ||||
-rw-r--r-- | include/linux/writeback.h | 8 |
15 files changed, 170 insertions, 65 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h index b20b03852f21..729a4d165bcc 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -103,8 +103,11 @@ extern void __audit_syscall_exit(int ret_success, long ret_value); extern struct filename *__audit_reusename(const __user char *uptr); extern void __audit_getname(struct filename *name); extern void audit_putname(struct filename *name); + +#define AUDIT_INODE_PARENT 1 /* dentry represents the parent */ +#define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */ extern void __audit_inode(struct filename *name, const struct dentry *dentry, - unsigned int parent); + unsigned int flags); extern void __audit_inode_child(const struct inode *parent, const struct dentry *dentry, const unsigned char type); @@ -148,10 +151,22 @@ static inline void audit_getname(struct filename *name) if (unlikely(!audit_dummy_context())) __audit_getname(name); } -static inline void audit_inode(struct filename *name, const struct dentry *dentry, +static inline void audit_inode(struct filename *name, + const struct dentry *dentry, unsigned int parent) { + if (unlikely(!audit_dummy_context())) { + unsigned int flags = 0; + if (parent) + flags |= AUDIT_INODE_PARENT; + __audit_inode(name, dentry, flags); + } +} +static inline void audit_inode_parent_hidden(struct filename *name, + const struct dentry *dentry) +{ if (unlikely(!audit_dummy_context())) - __audit_inode(name, dentry, parent); + __audit_inode(name, dentry, + AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN); } static inline void audit_inode_child(const struct inode *parent, const struct dentry *dentry, @@ -311,7 +326,7 @@ static inline void audit_putname(struct filename *name) { } static inline void __audit_inode(struct filename *name, const struct dentry *dentry, - unsigned int parent) + unsigned int flags) { } static inline void __audit_inode_child(const struct inode *parent, const struct dentry *dentry, @@ -321,6 +336,9 @@ static inline void audit_inode(struct filename *name, const struct dentry *dentry, unsigned int parent) { } +static inline void audit_inode_parent_hidden(struct filename *name, + const struct dentry *dentry) +{ } static inline void audit_inode_child(const struct inode *parent, const struct dentry *dentry, const unsigned char type) diff --git a/include/linux/decompress/unlz4.h b/include/linux/decompress/unlz4.h new file mode 100644 index 000000000000..d5b68bf3ec92 --- /dev/null +++ b/include/linux/decompress/unlz4.h @@ -0,0 +1,10 @@ +#ifndef DECOMPRESS_UNLZ4_H +#define DECOMPRESS_UNLZ4_H + +int unlz4(unsigned char *inbuf, int len, + int(*fill)(void*, unsigned int), + int(*flush)(void*, unsigned int), + unsigned char *output, + int *pos, + void(*error)(char *x)); +#endif diff --git a/include/linux/fs.h b/include/linux/fs.h index 834c9e5113d9..a35b10e9a680 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -372,8 +372,8 @@ struct address_space_operations { int (*get_xip_mem)(struct address_space *, pgoff_t, int, void **, unsigned long *); /* - * migrate the contents of a page to the specified target. If sync - * is false, it must not block. + * migrate the contents of a page to the specified target. If + * migrate_mode is MIGRATE_ASYNC, it must not block. */ int (*migratepage) (struct address_space *, struct page *, struct page *, enum migrate_mode); diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 0f615eb23d05..9b4dd491f7e8 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -209,7 +209,7 @@ static inline int allocflags_to_migratetype(gfp_t gfp_flags) * 0x9 => DMA or NORMAL (MOVABLE+DMA) * 0xa => MOVABLE (Movable is valid only if HIGHMEM is set too) * 0xb => BAD (MOVABLE+HIGHMEM+DMA) - * 0xc => DMA32 (MOVABLE+HIGHMEM+DMA32) + * 0xc => DMA32 (MOVABLE+DMA32) * 0xd => BAD (MOVABLE+DMA32+DMA) * 0xe => BAD (MOVABLE+DMA32+HIGHMEM) * 0xf => BAD (MOVABLE+DMA32+HIGHMEM+DMA) diff --git a/include/linux/lz4.h b/include/linux/lz4.h new file mode 100644 index 000000000000..d21c13f10a64 --- /dev/null +++ b/include/linux/lz4.h @@ -0,0 +1,87 @@ +#ifndef __LZ4_H__ +#define __LZ4_H__ +/* + * LZ4 Kernel Interface + * + * Copyright (C) 2013, LG Electronics, Kyungsik Lee <kyungsik.lee@lge.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#define LZ4_MEM_COMPRESS (4096 * sizeof(unsigned char *)) +#define LZ4HC_MEM_COMPRESS (65538 * sizeof(unsigned char *)) + +/* + * lz4_compressbound() + * Provides the maximum size that LZ4 may output in a "worst case" scenario + * (input data not compressible) + */ +static inline size_t lz4_compressbound(size_t isize) +{ + return isize + (isize / 255) + 16; +} + +/* + * lz4_compress() + * src : source address of the original data + * src_len : size of the original data + * dst : output buffer address of the compressed data + * This requires 'dst' of size LZ4_COMPRESSBOUND. + * dst_len : is the output size, which is returned after compress done + * workmem : address of the working memory. + * This requires 'workmem' of size LZ4_MEM_COMPRESS. + * return : Success if return 0 + * Error if return (< 0) + * note : Destination buffer and workmem must be already allocated with + * the defined size. + */ +int lz4_compress(const unsigned char *src, size_t src_len, + unsigned char *dst, size_t *dst_len, void *wrkmem); + + /* + * lz4hc_compress() + * src : source address of the original data + * src_len : size of the original data + * dst : output buffer address of the compressed data + * This requires 'dst' of size LZ4_COMPRESSBOUND. + * dst_len : is the output size, which is returned after compress done + * workmem : address of the working memory. + * This requires 'workmem' of size LZ4HC_MEM_COMPRESS. + * return : Success if return 0 + * Error if return (< 0) + * note : Destination buffer and workmem must be already allocated with + * the defined size. + */ +int lz4hc_compress(const unsigned char *src, size_t src_len, + unsigned char *dst, size_t *dst_len, void *wrkmem); + +/* + * lz4_decompress() + * src : source address of the compressed data + * src_len : is the input size, whcih is returned after decompress done + * dest : output buffer address of the decompressed data + * actual_dest_len: is the size of uncompressed data, supposing it's known + * return : Success if return 0 + * Error if return (< 0) + * note : Destination buffer must be already allocated. + * slightly faster than lz4_decompress_unknownoutputsize() + */ +int lz4_decompress(const char *src, size_t *src_len, char *dest, + size_t actual_dest_len); + +/* + * lz4_decompress_unknownoutputsize() + * src : source address of the compressed data + * src_len : is the input size, therefore the compressed size + * dest : output buffer address of the decompressed data + * dest_len: is the max size of the destination buffer, which is + * returned with actual size of decompressed data after + * decompress done + * return : Success if return 0 + * Error if return (< 0) + * note : Destination buffer must be already allocated. + */ +int lz4_decompress_unknownoutputsize(const char *src, size_t src_len, + char *dest, size_t *dest_len); +#endif diff --git a/include/linux/mm.h b/include/linux/mm.h index b87681adf0ba..f0224608d15e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -151,12 +151,6 @@ extern unsigned int kobjsize(const void *objp); #define VM_STACK_FLAGS (VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT) #endif -#define VM_READHINTMASK (VM_SEQ_READ | VM_RAND_READ) -#define VM_ClearReadHint(v) (v)->vm_flags &= ~VM_READHINTMASK -#define VM_NormalReadHint(v) (!((v)->vm_flags & VM_READHINTMASK)) -#define VM_SequentialReadHint(v) ((v)->vm_flags & VM_SEQ_READ) -#define VM_RandomReadHint(v) ((v)->vm_flags & VM_RAND_READ) - /* * Special vmas that are non-mergable, non-mlock()able. * Note: mm/huge_memory.c VM_NO_THP depends on this definition. diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index ae19af5ec02c..af4a3b77a8de 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -869,11 +869,6 @@ static inline int is_highmem_idx(enum zone_type idx) #endif } -static inline int is_normal_idx(enum zone_type idx) -{ - return (idx == ZONE_NORMAL); -} - /** * is_highmem - helper function to quickly check if a struct zone is a * highmem zone or not. This is an attempt to keep references @@ -892,29 +887,6 @@ static inline int is_highmem(struct zone *zone) #endif } -static inline int is_normal(struct zone *zone) -{ - return zone == zone->zone_pgdat->node_zones + ZONE_NORMAL; -} - -static inline int is_dma32(struct zone *zone) -{ -#ifdef CONFIG_ZONE_DMA32 - return zone == zone->zone_pgdat->node_zones + ZONE_DMA32; -#else - return 0; -#endif -} - -static inline int is_dma(struct zone *zone) -{ -#ifdef CONFIG_ZONE_DMA - return zone == zone->zone_pgdat->node_zones + ZONE_DMA; -#else - return 0; -#endif -} - /* These two functions are used to setup the per zone pages min values */ struct ctl_table; int min_free_kbytes_sysctl_handler(struct ctl_table *, int, diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 89573a33ab3c..07d0df6bf768 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -142,9 +142,6 @@ static inline void ptrace_init_task(struct task_struct *child, bool ptrace) { INIT_LIST_HEAD(&child->ptrace_entry); INIT_LIST_HEAD(&child->ptraced); -#ifdef CONFIG_HAVE_HW_BREAKPOINT - atomic_set(&child->ptrace_bp_refcnt, 1); -#endif child->jobctl = 0; child->ptrace = 0; child->parent = child->real_parent; @@ -351,11 +348,4 @@ extern int task_current_syscall(struct task_struct *target, long *callno, unsigned long args[6], unsigned int maxargs, unsigned long *sp, unsigned long *pc); -#ifdef CONFIG_HAVE_HW_BREAKPOINT -extern int ptrace_get_breakpoints(struct task_struct *tsk); -extern void ptrace_put_breakpoints(struct task_struct *tsk); -#else -static inline void ptrace_put_breakpoints(struct task_struct *tsk) { } -#endif /* CONFIG_HAVE_HW_BREAKPOINT */ - #endif diff --git a/include/linux/reboot.h b/include/linux/reboot.h index 23b36304cd88..8e00f9f6f963 100644 --- a/include/linux/reboot.h +++ b/include/linux/reboot.h @@ -10,6 +10,31 @@ #define SYS_HALT 0x0002 /* Notify of system halt */ #define SYS_POWER_OFF 0x0003 /* Notify of system power off */ +enum reboot_mode { + REBOOT_COLD = 0, + REBOOT_WARM, + REBOOT_HARD, + REBOOT_SOFT, + REBOOT_GPIO, +}; +extern enum reboot_mode reboot_mode; + +enum reboot_type { + BOOT_TRIPLE = 't', + BOOT_KBD = 'k', + BOOT_BIOS = 'b', + BOOT_ACPI = 'a', + BOOT_EFI = 'e', + BOOT_CF9 = 'p', + BOOT_CF9_COND = 'q', +}; +extern enum reboot_type reboot_type; + +extern int reboot_default; +extern int reboot_cpu; +extern int reboot_force; + + extern int register_reboot_notifier(struct notifier_block *); extern int unregister_reboot_notifier(struct notifier_block *); @@ -26,7 +51,7 @@ extern void machine_shutdown(void); struct pt_regs; extern void machine_crash_shutdown(struct pt_regs *); -/* +/* * Architecture independent implemenations of sys_reboot commands. */ diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h index 26806775b11b..adae88f5b0ab 100644 --- a/include/linux/scatterlist.h +++ b/include/linux/scatterlist.h @@ -244,6 +244,11 @@ size_t sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents, size_t sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents, void *buf, size_t buflen); +size_t sg_pcopy_from_buffer(struct scatterlist *sgl, unsigned int nents, + void *buf, size_t buflen, off_t skip); +size_t sg_pcopy_to_buffer(struct scatterlist *sgl, unsigned int nents, + void *buf, size_t buflen, off_t skip); + /* * Maximum number of entries that will be allocated in one piece, if * a list larger than this is required then chaining will be utilized. diff --git a/include/linux/sched.h b/include/linux/sched.h index cdd5407b37e2..75324d8157e3 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1401,9 +1401,6 @@ struct task_struct { } memcg_batch; unsigned int memcg_kmem_skip_account; #endif -#ifdef CONFIG_HAVE_HW_BREAKPOINT - atomic_t ptrace_bp_refcnt; -#endif #ifdef CONFIG_UPROBES struct uprobe_task *utask; #endif diff --git a/include/linux/sem.h b/include/linux/sem.h index 53d42650b193..976ce3a19f1b 100644 --- a/include/linux/sem.h +++ b/include/linux/sem.h @@ -12,10 +12,12 @@ struct task_struct; struct sem_array { struct kern_ipc_perm ____cacheline_aligned_in_smp sem_perm; /* permissions .. see ipc.h */ - time_t sem_otime; /* last semop time */ time_t sem_ctime; /* last change time */ struct sem *sem_base; /* ptr to first semaphore in array */ - struct list_head sem_pending; /* pending operations to be processed */ + struct list_head pending_alter; /* pending operations */ + /* that alter the array */ + struct list_head pending_const; /* pending complex operations */ + /* that do not alter semvals */ struct list_head list_id; /* undo requests on this array */ int sem_nsems; /* no. of semaphores in array */ int complex_count; /* pending complex operations */ diff --git a/include/linux/vexpress.h b/include/linux/vexpress.h index ea7168a68081..617c01b8f74a 100644 --- a/include/linux/vexpress.h +++ b/include/linux/vexpress.h @@ -15,6 +15,7 @@ #define _LINUX_VEXPRESS_H #include <linux/device.h> +#include <linux/reboot.h> #define VEXPRESS_SITE_MB 0 #define VEXPRESS_SITE_DB1 1 diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index dd0a2c810529..4b8a89189a29 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -10,12 +10,12 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */ /* bits in flags of vmalloc's vm_struct below */ -#define VM_IOREMAP 0x00000001 /* ioremap() and friends */ -#define VM_ALLOC 0x00000002 /* vmalloc() */ -#define VM_MAP 0x00000004 /* vmap()ed pages */ -#define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */ -#define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */ -#define VM_UNLIST 0x00000020 /* vm_struct is not listed in vmlist */ +#define VM_IOREMAP 0x00000001 /* ioremap() and friends */ +#define VM_ALLOC 0x00000002 /* vmalloc() */ +#define VM_MAP 0x00000004 /* vmap()ed pages */ +#define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */ +#define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */ +#define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */ /* bits [20..32] reserved for arch specific ioremap internals */ /* diff --git a/include/linux/writeback.h b/include/linux/writeback.h index abfe11787af3..4e198ca1f685 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -47,11 +47,16 @@ enum wb_reason { WB_REASON_LAPTOP_TIMER, WB_REASON_FREE_MORE_MEM, WB_REASON_FS_FREE_SPACE, + /* + * There is no bdi forker thread any more and works are done + * by emergency worker, however, this is TPs userland visible + * and we'll be exposing exactly the same information, + * so it has a mismatch name. + */ WB_REASON_FORKER_THREAD, WB_REASON_MAX, }; -extern const char *wb_reason_name[]; /* * A control structure which tells the writeback code what to do. These are @@ -95,7 +100,6 @@ int try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr, void sync_inodes_sb(struct super_block *); long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages, enum wb_reason reason); -long wb_do_writeback(struct bdi_writeback *wb, int force_wait); void wakeup_flusher_threads(long nr_pages, enum wb_reason reason); void inode_wait_for_writeback(struct inode *inode); |