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Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r--include/linux/kernel.h67
1 files changed, 40 insertions, 27 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 2451f1f7a1d9..d140e8fb075f 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -1,15 +1,6 @@
#ifndef _LINUX_KERNEL_H
#define _LINUX_KERNEL_H
-#include <linux/sysinfo.h>
-
-/*
- * 'kernel.h' contains some often-used function prototypes etc
- */
-#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
-#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
-
-#ifdef __KERNEL__
#include <stdarg.h>
#include <linux/linkage.h>
@@ -22,6 +13,7 @@
#include <linux/printk.h>
#include <linux/dynamic_debug.h>
#include <asm/byteorder.h>
+#include <uapi/linux/kernel.h>
#define USHRT_MAX ((u16)(~0U))
#define SHRT_MAX ((s16)(USHRT_MAX>>1))
@@ -228,6 +220,23 @@ int __must_check _kstrtol(const char *s, unsigned int base, long *res);
int __must_check kstrtoull(const char *s, unsigned int base, unsigned long long *res);
int __must_check kstrtoll(const char *s, unsigned int base, long long *res);
+
+/**
+ * kstrtoul - convert a string to an unsigned long
+ * @s: The start of the string. The string must be null-terminated, and may also
+ * include a single newline before its terminating null. The first character
+ * may also be a plus sign, but not a minus sign.
+ * @base: The number base to use. The maximum supported base is 16. If base is
+ * given as 0, then the base of the string is automatically detected with the
+ * conventional semantics - If it begins with 0x the number will be parsed as a
+ * hexadecimal (case insensitive), if it otherwise begins with 0, it will be
+ * parsed as an octal number. Otherwise it will be parsed as a decimal.
+ * @res: Where to write the result of the conversion on success.
+ *
+ * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
+ * Used as a replacement for the obsolete simple_strtoull. Return code must
+ * be checked.
+*/
static inline int __must_check kstrtoul(const char *s, unsigned int base, unsigned long *res)
{
/*
@@ -241,6 +250,22 @@ static inline int __must_check kstrtoul(const char *s, unsigned int base, unsign
return _kstrtoul(s, base, res);
}
+/**
+ * kstrtol - convert a string to a long
+ * @s: The start of the string. The string must be null-terminated, and may also
+ * include a single newline before its terminating null. The first character
+ * may also be a plus sign or a minus sign.
+ * @base: The number base to use. The maximum supported base is 16. If base is
+ * given as 0, then the base of the string is automatically detected with the
+ * conventional semantics - If it begins with 0x the number will be parsed as a
+ * hexadecimal (case insensitive), if it otherwise begins with 0, it will be
+ * parsed as an octal number. Otherwise it will be parsed as a decimal.
+ * @res: Where to write the result of the conversion on success.
+ *
+ * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
+ * Used as a replacement for the obsolete simple_strtoull. Return code must
+ * be checked.
+ */
static inline int __must_check kstrtol(const char *s, unsigned int base, long *res)
{
/*
@@ -535,9 +560,6 @@ __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap);
extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode);
#else
-static inline __printf(1, 2)
-int trace_printk(const char *fmt, ...);
-
static inline void tracing_start(void) { }
static inline void tracing_stop(void) { }
static inline void ftrace_off_permanent(void) { }
@@ -547,8 +569,8 @@ static inline void tracing_on(void) { }
static inline void tracing_off(void) { }
static inline int tracing_is_on(void) { return 0; }
-static inline int
-trace_printk(const char *fmt, ...)
+static inline __printf(1, 2)
+int trace_printk(const char *fmt, ...)
{
return 0;
}
@@ -695,18 +717,11 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
/* Trap pasters of __FUNCTION__ at compile-time */
#define __FUNCTION__ (__func__)
-/* This helps us to avoid #ifdef CONFIG_NUMA */
-#ifdef CONFIG_NUMA
-#define NUMA_BUILD 1
+/* This helps us to avoid #ifdef CONFIG_SYMBOL_PREFIX */
+#ifdef CONFIG_SYMBOL_PREFIX
+#define SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
#else
-#define NUMA_BUILD 0
-#endif
-
-/* This helps us avoid #ifdef CONFIG_COMPACTION */
-#ifdef CONFIG_COMPACTION
-#define COMPACTION_BUILD 1
-#else
-#define COMPACTION_BUILD 0
+#define SYMBOL_PREFIX ""
#endif
/* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */
@@ -716,6 +731,4 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
extern int do_sysinfo(struct sysinfo *info);
-#endif /* __KERNEL__ */
-
#endif