1 #ifndef __KERNEL_H_WRAPPER
2 #define __KERNEL_H_WRAPPER 1
4 #include_next <linux/kernel.h>
6 #include <linux/log2.h>
9 #include <linux/version.h>
10 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)
11 /* BUILD_BUG_ON_NOT_POWER_OF_2 definition */
12 #include <linux/bug.h>
15 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
17 #define pr_emerg(fmt, ...) \
18 printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
20 #define pr_alert(fmt, ...) \
21 printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
23 #define pr_crit(fmt, ...) \
24 printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
26 #define pr_err(fmt, ...) \
27 printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
29 #define pr_warning(fmt, ...) \
30 printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
32 #define pr_notice(fmt, ...) \
33 printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
35 #define pr_info(fmt, ...) \
36 printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
38 #define pr_cont(fmt, ...) \
39 printk(KERN_CONT fmt, ##__VA_ARGS__)
42 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35)
43 #define pr_warn pr_warning
46 #if defined(CONFIG_PREEMPT) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
47 #error "CONFIG_PREEMPT is broken before 2.6.21--see commit 4498121ca3, \"[NET]: Handle disabled preemption in gfp_any()\""
51 #define USHRT_MAX ((u16)(~0U))
52 #define SHRT_MAX ((s16)(USHRT_MAX>>1))
53 #define SHRT_MIN ((s16)(-SHRT_MAX - 1))
57 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
60 #endif /* linux/kernel.h */