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-rw-r--r--include/asm-generic/bitops/find.h20
-rw-r--r--include/linux/bitmap.h63
-rw-r--r--include/linux/build_bug.h2
-rw-r--r--include/linux/compiler-clang.h8
-rw-r--r--include/linux/cpumask.h2
-rw-r--r--include/linux/cpuset.h6
-rw-r--r--include/linux/crash_dump.h12
-rw-r--r--include/linux/genl_magic_func.h12
-rw-r--r--include/linux/ioport.h2
-rw-r--r--include/linux/kallsyms.h2
-rw-r--r--include/linux/kasan.h15
-rw-r--r--include/linux/lockref.h2
-rw-r--r--include/linux/memblock.h4
-rw-r--r--include/linux/module.h2
-rw-r--r--include/linux/mutex.h4
-rw-r--r--include/linux/pipe_fs_i.h5
-rw-r--r--include/linux/sched.h5
-rw-r--r--include/linux/sysctl.h3
-rw-r--r--include/linux/uuid.h1
-rw-r--r--include/uapi/asm-generic/siginfo.h4
-rw-r--r--include/uapi/linux/uuid.h1
21 files changed, 111 insertions, 64 deletions
diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h
index 1ba611e..8a1ee10 100644
--- a/include/asm-generic/bitops/find.h
+++ b/include/asm-generic/bitops/find.h
@@ -16,6 +16,22 @@ extern unsigned long find_next_bit(const unsigned long *addr, unsigned long
size, unsigned long offset);
#endif
+#ifndef find_next_and_bit
+/**
+ * find_next_and_bit - find the next set bit in both memory regions
+ * @addr1: The first address to base the search on
+ * @addr2: The second address to base the search on
+ * @offset: The bitnumber to start searching at
+ * @size: The bitmap size in bits
+ *
+ * Returns the bit number for the next set bit
+ * If no bits are set, returns @size.
+ */
+extern unsigned long find_next_and_bit(const unsigned long *addr1,
+ const unsigned long *addr2, unsigned long size,
+ unsigned long offset);
+#endif
+
#ifndef find_next_zero_bit
/**
* find_next_zero_bit - find the next cleared bit in a memory region
@@ -55,8 +71,12 @@ extern unsigned long find_first_zero_bit(const unsigned long *addr,
unsigned long size);
#else /* CONFIG_GENERIC_FIND_FIRST_BIT */
+#ifndef find_first_bit
#define find_first_bit(addr, size) find_next_bit((addr), (size), 0)
+#endif
+#ifndef find_first_zero_bit
#define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0)
+#endif
#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 3489253..5f11fbd 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -64,9 +64,14 @@
* bitmap_find_free_region(bitmap, bits, order) Find and allocate bit region
* bitmap_release_region(bitmap, pos, order) Free specified bit region
* bitmap_allocate_region(bitmap, pos, order) Allocate specified bit region
- * bitmap_from_u32array(dst, nbits, buf, nwords) *dst = *buf (nwords 32b words)
- * bitmap_to_u32array(buf, nwords, src, nbits) *buf = *dst (nwords 32b words)
+ * bitmap_from_arr32(dst, buf, nbits) Copy nbits from u32[] buf to dst
+ * bitmap_to_arr32(buf, src, nbits) Copy nbits from buf to u32[] dst
*
+ * Note, bitmap_zero() and bitmap_fill() operate over the region of
+ * unsigned longs, that is, bits behind bitmap till the unsigned long
+ * boundary will be zeroed or filled as well. Consider to use
+ * bitmap_clear() or bitmap_set() to make explicit zeroing or filling
+ * respectively.
*/
/**
@@ -83,8 +88,12 @@
* test_and_change_bit(bit, addr) Change bit and return old value
* find_first_zero_bit(addr, nbits) Position first zero bit in *addr
* find_first_bit(addr, nbits) Position first set bit in *addr
- * find_next_zero_bit(addr, nbits, bit) Position next zero bit in *addr >= bit
+ * find_next_zero_bit(addr, nbits, bit)
+ * Position next zero bit in *addr >= bit
* find_next_bit(addr, nbits, bit) Position next set bit in *addr >= bit
+ * find_next_and_bit(addr1, addr2, nbits, bit)
+ * Same as find_next_bit, but in
+ * (*addr1 & *addr2)
*
*/
@@ -174,14 +183,7 @@ extern void bitmap_fold(unsigned long *dst, const unsigned long *orig,
extern int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order);
extern void bitmap_release_region(unsigned long *bitmap, unsigned int pos, int order);
extern int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order);
-extern unsigned int bitmap_from_u32array(unsigned long *bitmap,
- unsigned int nbits,
- const u32 *buf,
- unsigned int nwords);
-extern unsigned int bitmap_to_u32array(u32 *buf,
- unsigned int nwords,
- const unsigned long *bitmap,
- unsigned int nbits);
+
#ifdef __BIG_ENDIAN
extern void bitmap_copy_le(unsigned long *dst, const unsigned long *src, unsigned int nbits);
#else
@@ -209,12 +211,12 @@ static inline void bitmap_zero(unsigned long *dst, unsigned int nbits)
static inline void bitmap_fill(unsigned long *dst, unsigned int nbits)
{
- unsigned int nlongs = BITS_TO_LONGS(nbits);
- if (!small_const_nbits(nbits)) {
- unsigned int len = (nlongs - 1) * sizeof(unsigned long);
- memset(dst, 0xff, len);
+ if (small_const_nbits(nbits))
+ *dst = ~0UL;
+ else {
+ unsigned int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
+ memset(dst, 0xff, len);
}
- dst[nlongs - 1] = BITMAP_LAST_WORD_MASK(nbits);
}
static inline void bitmap_copy(unsigned long *dst, const unsigned long *src,
@@ -228,6 +230,35 @@ static inline void bitmap_copy(unsigned long *dst, const unsigned long *src,
}
}
+/*
+ * Copy bitmap and clear tail bits in last word.
+ */
+static inline void bitmap_copy_clear_tail(unsigned long *dst,
+ const unsigned long *src, unsigned int nbits)
+{
+ bitmap_copy(dst, src, nbits);
+ if (nbits % BITS_PER_LONG)
+ dst[nbits / BITS_PER_LONG] &= BITMAP_LAST_WORD_MASK(nbits);
+}
+
+/*
+ * On 32-bit systems bitmaps are represented as u32 arrays internally, and
+ * therefore conversion is not needed when copying data from/to arrays of u32.
+ */
+#if BITS_PER_LONG == 64
+extern void bitmap_from_arr32(unsigned long *bitmap, const u32 *buf,
+ unsigned int nbits);
+extern void bitmap_to_arr32(u32 *buf, const unsigned long *bitmap,
+ unsigned int nbits);
+#else
+#define bitmap_from_arr32(bitmap, buf, nbits) \
+ bitmap_copy_clear_tail((unsigned long *) (bitmap), \
+ (const unsigned long *) (buf), (nbits))
+#define bitmap_to_arr32(buf, bitmap, nbits) \
+ bitmap_copy_clear_tail((unsigned long *) (buf), \
+ (const unsigned long *) (bitmap), (nbits))
+#endif
+
static inline int bitmap_and(unsigned long *dst, const unsigned long *src1,
const unsigned long *src2, unsigned int nbits)
{
diff --git a/include/linux/build_bug.h b/include/linux/build_bug.h
index 3efed0d..43d1fd5 100644
--- a/include/linux/build_bug.h
+++ b/include/linux/build_bug.h
@@ -8,7 +8,6 @@
#define __BUILD_BUG_ON_NOT_POWER_OF_2(n) (0)
#define BUILD_BUG_ON_NOT_POWER_OF_2(n) (0)
#define BUILD_BUG_ON_ZERO(e) (0)
-#define BUILD_BUG_ON_NULL(e) ((void *)0)
#define BUILD_BUG_ON_INVALID(e) (0)
#define BUILD_BUG_ON_MSG(cond, msg) (0)
#define BUILD_BUG_ON(condition) (0)
@@ -28,7 +27,6 @@
* aren't permitted).
*/
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:(-!!(e)); }))
-#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:(-!!(e)); }))
/*
* BUILD_BUG_ON_INVALID() permits the compiler to check the validity of the
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index 3b609ed..d02a4df 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -19,3 +19,11 @@
#define randomized_struct_fields_start struct {
#define randomized_struct_fields_end };
+
+/* all clang versions usable with the kernel support KASAN ABI version 5 */
+#define KASAN_ABI_VERSION 5
+
+/* emulate gcc's __SANITIZE_ADDRESS__ flag */
+#if __has_feature(address_sanitizer)
+#define __SANITIZE_ADDRESS__
+#endif
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 75b5651..d4a2a7d 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -640,7 +640,7 @@ static inline int cpulist_parse(const char *buf, struct cpumask *dstp)
/**
* cpumask_size - size to allocate for a 'struct cpumask' in bytes
*/
-static inline size_t cpumask_size(void)
+static inline unsigned int cpumask_size(void)
{
return BITS_TO_LONGS(nr_cpumask_bits) * sizeof(long);
}
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 1b8e415..934633a 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -112,7 +112,7 @@ static inline int cpuset_do_slab_mem_spread(void)
return task_spread_slab(current);
}
-extern int current_cpuset_is_being_rebound(void);
+extern bool current_cpuset_is_being_rebound(void);
extern void rebuild_sched_domains(void);
@@ -247,9 +247,9 @@ static inline int cpuset_do_slab_mem_spread(void)
return 0;
}
-static inline int current_cpuset_is_being_rebound(void)
+static inline bool current_cpuset_is_being_rebound(void)
{
- return 0;
+ return false;
}
static inline void rebuild_sched_domains(void)
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index a992e6c..f7ac2aa 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -2,13 +2,13 @@
#ifndef LINUX_CRASH_DUMP_H
#define LINUX_CRASH_DUMP_H
-#ifdef CONFIG_CRASH_DUMP
#include <linux/kexec.h>
#include <linux/proc_fs.h>
#include <linux/elf.h>
#include <asm/pgtable.h> /* for pgprot_t */
+#ifdef CONFIG_CRASH_DUMP
#define ELFCORE_ADDR_MAX (-1ULL)
#define ELFCORE_ADDR_ERR (-2ULL)
@@ -52,13 +52,13 @@ void vmcore_cleanup(void);
* has passed the elf core header address on command line.
*
* This is not just a test if CONFIG_CRASH_DUMP is enabled or not. It will
- * return 1 if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic of
- * previous kernel.
+ * return true if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic
+ * of previous kernel.
*/
-static inline int is_kdump_kernel(void)
+static inline bool is_kdump_kernel(void)
{
- return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0;
+ return elfcorehdr_addr != ELFCORE_ADDR_MAX;
}
/* is_vmcore_usable() checks if the kernel is booting after a panic and
@@ -89,7 +89,7 @@ extern int register_oldmem_pfn_is_ram(int (*fn)(unsigned long pfn));
extern void unregister_oldmem_pfn_is_ram(void);
#else /* !CONFIG_CRASH_DUMP */
-static inline int is_kdump_kernel(void) { return 0; }
+static inline bool is_kdump_kernel(void) { return 0; }
#endif /* CONFIG_CRASH_DUMP */
extern unsigned long saved_max_pfn;
diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h
index 6049676..83f81ac 100644
--- a/include/linux/genl_magic_func.h
+++ b/include/linux/genl_magic_func.h
@@ -2,6 +2,7 @@
#ifndef GENL_MAGIC_FUNC_H
#define GENL_MAGIC_FUNC_H
+#include <linux/build_bug.h>
#include <linux/genl_magic_struct.h>
/*
@@ -132,17 +133,6 @@ static void dprint_array(const char *dir, int nla_type,
* use one static buffer for parsing of nested attributes */
static struct nlattr *nested_attr_tb[128];
-#ifndef BUILD_BUG_ON
-/* Force a compilation error if condition is true */
-#define BUILD_BUG_ON(condition) ((void)BUILD_BUG_ON_ZERO(condition))
-/* Force a compilation error if condition is true, but also produce a
- result (of value 0 and type size_t), so the expression can be used
- e.g. in a structure initializer (or where-ever else comma expressions
- aren't permitted). */
-#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
-#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); }))
-#endif
-
#undef GENL_struct
#define GENL_struct(tag_name, tag_number, s_name, s_fields) \
/* *_from_attrs functions are static, but potentially unused */ \
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 93b4183..da0ebae 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -265,7 +265,7 @@ extern struct resource * __devm_request_region(struct device *dev,
extern void __devm_release_region(struct device *dev, struct resource *parent,
resource_size_t start, resource_size_t n);
extern int iomem_map_sanity_check(resource_size_t addr, unsigned long size);
-extern int iomem_is_exclusive(u64 addr);
+extern bool iomem_is_exclusive(u64 addr);
extern int
walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
index d79d1e7..657a83b 100644
--- a/include/linux/kallsyms.h
+++ b/include/linux/kallsyms.h
@@ -167,7 +167,7 @@ static inline int kallsyms_show_value(void)
static inline void print_ip_sym(unsigned long ip)
{
- printk("[<%p>] %pS\n", (void *) ip, (void *) ip);
+ printk("[<%px>] %pS\n", (void *) ip, (void *) ip);
}
#endif /*_LINUX_KALLSYMS_H*/
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index e3eb834..adc1347 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -11,8 +11,6 @@ struct task_struct;
#ifdef CONFIG_KASAN
-#define KASAN_SHADOW_SCALE_SHIFT 3
-
#include <asm/kasan.h>
#include <asm/pgtable.h>
@@ -56,14 +54,14 @@ void kasan_poison_object_data(struct kmem_cache *cache, void *object);
void kasan_init_slab_obj(struct kmem_cache *cache, const void *object);
void kasan_kmalloc_large(const void *ptr, size_t size, gfp_t flags);
-void kasan_kfree_large(const void *ptr);
-void kasan_poison_kfree(void *ptr);
+void kasan_kfree_large(void *ptr, unsigned long ip);
+void kasan_poison_kfree(void *ptr, unsigned long ip);
void kasan_kmalloc(struct kmem_cache *s, const void *object, size_t size,
gfp_t flags);
void kasan_krealloc(const void *object, size_t new_size, gfp_t flags);
void kasan_slab_alloc(struct kmem_cache *s, void *object, gfp_t flags);
-bool kasan_slab_free(struct kmem_cache *s, void *object);
+bool kasan_slab_free(struct kmem_cache *s, void *object, unsigned long ip);
struct kasan_cache {
int alloc_meta_offset;
@@ -108,8 +106,8 @@ static inline void kasan_init_slab_obj(struct kmem_cache *cache,
const void *object) {}
static inline void kasan_kmalloc_large(void *ptr, size_t size, gfp_t flags) {}
-static inline void kasan_kfree_large(const void *ptr) {}
-static inline void kasan_poison_kfree(void *ptr) {}
+static inline void kasan_kfree_large(void *ptr, unsigned long ip) {}
+static inline void kasan_poison_kfree(void *ptr, unsigned long ip) {}
static inline void kasan_kmalloc(struct kmem_cache *s, const void *object,
size_t size, gfp_t flags) {}
static inline void kasan_krealloc(const void *object, size_t new_size,
@@ -117,7 +115,8 @@ static inline void kasan_krealloc(const void *object, size_t new_size,
static inline void kasan_slab_alloc(struct kmem_cache *s, void *object,
gfp_t flags) {}
-static inline bool kasan_slab_free(struct kmem_cache *s, void *object)
+static inline bool kasan_slab_free(struct kmem_cache *s, void *object,
+ unsigned long ip)
{
return false;
}
diff --git a/include/linux/lockref.h b/include/linux/lockref.h
index ef3c934..2eac320 100644
--- a/include/linux/lockref.h
+++ b/include/linux/lockref.h
@@ -44,7 +44,7 @@ extern void lockref_mark_dead(struct lockref *);
extern int lockref_get_not_dead(struct lockref *);
/* Must be called under spinlock for reliable results */
-static inline int __lockref_is_dead(const struct lockref *l)
+static inline bool __lockref_is_dead(const struct lockref *l)
{
return ((int)l->count < 0);
}
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 7ed0f77..8be5077 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -332,8 +332,8 @@ void memblock_enforce_memory_limit(phys_addr_t memory_limit);
void memblock_cap_memory_range(phys_addr_t base, phys_addr_t size);
void memblock_mem_limit_remove_map(phys_addr_t limit);
bool memblock_is_memory(phys_addr_t addr);
-int memblock_is_map_memory(phys_addr_t addr);
-int memblock_is_region_memory(phys_addr_t base, phys_addr_t size);
+bool memblock_is_map_memory(phys_addr_t addr);
+bool memblock_is_region_memory(phys_addr_t base, phys_addr_t size);
bool memblock_is_reserved(phys_addr_t addr);
bool memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);
diff --git a/include/linux/module.h b/include/linux/module.h
index 8dc7065..d44df9b 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -491,7 +491,7 @@ extern struct mutex module_mutex;
/* FIXME: It'd be nice to isolate modules during init, too, so they
aren't used before they (may) fail. But presently too much code
(IDE & SCSI) require entry into the module during init.*/
-static inline int module_is_live(struct module *mod)
+static inline bool module_is_live(struct module *mod)
{
return mod->state != MODULE_STATE_GOING;
}
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 153274f..f25c134 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -138,9 +138,9 @@ extern void __mutex_init(struct mutex *lock, const char *name,
* mutex_is_locked - is the mutex locked
* @lock: the mutex to be queried
*
- * Returns 1 if the mutex is locked, 0 if unlocked.
+ * Returns true if the mutex is locked, false if unlocked.
*/
-static inline int mutex_is_locked(struct mutex *lock)
+static inline bool mutex_is_locked(struct mutex *lock)
{
/*
* XXX think about spin_is_locked
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 2dc5e98..5a3bb3b 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -167,10 +167,9 @@ void pipe_lock(struct pipe_inode_info *);
void pipe_unlock(struct pipe_inode_info *);
void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *);
-extern unsigned int pipe_max_size, pipe_min_size;
+extern unsigned int pipe_max_size;
extern unsigned long pipe_user_pages_hard;
extern unsigned long pipe_user_pages_soft;
-int pipe_proc_fn(struct ctl_table *, int, void __user *, size_t *, loff_t *);
/* Drop the inode semaphore and wait for a pipe event, atomically */
void pipe_wait(struct pipe_inode_info *pipe);
@@ -191,6 +190,6 @@ long pipe_fcntl(struct file *, unsigned int, unsigned long arg);
struct pipe_inode_info *get_pipe_info(struct file *file);
int create_pipe_files(struct file **, int);
-unsigned int round_pipe_size(unsigned int size);
+unsigned int round_pipe_size(unsigned long size);
#endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 92744e3..b161ef8 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1497,6 +1497,11 @@ static inline struct thread_info *task_thread_info(struct task_struct *task)
extern struct task_struct *find_task_by_vpid(pid_t nr);
extern struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns);
+/*
+ * find a task by its virtual pid and get the task struct
+ */
+extern struct task_struct *find_get_task_by_vpid(pid_t nr);
+
extern int wake_up_state(struct task_struct *tsk, unsigned int state);
extern int wake_up_process(struct task_struct *tsk);
extern void wake_up_new_task(struct task_struct *tsk);
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 992bc99..b769ecf 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -51,9 +51,6 @@ extern int proc_dointvec_minmax(struct ctl_table *, int,
extern int proc_douintvec_minmax(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos);
-extern int proc_dopipe_max_size(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
extern int proc_dointvec_jiffies(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
extern int proc_dointvec_userhz_jiffies(struct ctl_table *, int,
diff --git a/include/linux/uuid.h b/include/linux/uuid.h
index 33b0bdb..d9c4a6c 100644
--- a/include/linux/uuid.h
+++ b/include/linux/uuid.h
@@ -17,6 +17,7 @@
#define _LINUX_UUID_H_
#include <uapi/linux/uuid.h>
+#include <linux/string.h>
#define UUID_SIZE 16
diff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h
index 254afc3..85dc965 100644
--- a/include/uapi/asm-generic/siginfo.h
+++ b/include/uapi/asm-generic/siginfo.h
@@ -280,8 +280,8 @@ typedef struct siginfo {
#define NSIGTRAP 4
/*
- * There are an additional set of SIGTRAP si_codes used by ptrace
- * that of the form: ((PTRACE_EVENT_XXX << 8) | SIGTRAP)
+ * There is an additional set of SIGTRAP si_codes used by ptrace
+ * that are of the form: ((PTRACE_EVENT_XXX << 8) | SIGTRAP)
*/
/*
diff --git a/include/uapi/linux/uuid.h b/include/uapi/linux/uuid.h
index 5c04130..e5a7eec 100644
--- a/include/uapi/linux/uuid.h
+++ b/include/uapi/linux/uuid.h
@@ -19,7 +19,6 @@
#define _UAPI_LINUX_UUID_H_
#include <linux/types.h>
-#include <linux/string.h>
typedef struct {
__u8 b[16];
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