55 char *kstrdup(const char *s, gfp_t gfp)  in kstrdup()  argument
60 	if (!s)  in kstrdup()
63 	len = strlen(s) + 1;  in kstrdup()
66 		memcpy(buf, s, len);  in kstrdup()
82 const char *kstrdup_const(const char *s, gfp_t gfp)  in kstrdup_const()  argument
84 	if (is_kernel_rodata((unsigned long)s))  in kstrdup_const()
85 		return s;  in kstrdup_const()
87 	return kstrdup(s, gfp);  in kstrdup_const()
101 char *kstrndup(const char *s, size_t max, gfp_t gfp)  in kstrndup()  argument
106 	if (!s)  in kstrndup()
109 	len = strnlen(s, max);  in kstrndup()
112 		memcpy(buf, s, len);  in kstrndup()
148 char *kmemdup_nul(const char *s, size_t len, gfp_t gfp)  in kmemdup_nul()  argument
152 	if (!s)  in kmemdup_nul()
157 		memcpy(buf, s, len);  in kmemdup_nul()
223 char *strndup_user(const char __user *s, long n)  in strndup_user()  argument
228 	length = strnlen_user(s, n);  in strndup_user()
236 	p = memdup_user(s, length);  in strndup_user()