| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172 |
- #ifndef _LINUX_KERNEL_H
- #define _LINUX_KERNEL_H
- /*
- * 'kernel.h' contains some often-used function prototypes etc
- */
- #define SI_LOAD_SHIFT 16
- struct sysinfo {
- long uptime; /* Seconds since boot */
- unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
- unsigned long totalram; /* Total usable main memory size */
- unsigned long freeram; /* Available memory size */
- unsigned long sharedram; /* Amount of shared memory */
- unsigned long bufferram; /* Memory used by buffers */
- unsigned long totalswap; /* Total swap space size */
- unsigned long freeswap; /* swap space still available */
- unsigned short procs; /* Number of current processes */
- unsigned short pad; /* explicit padding for m68k */
- unsigned long totalhigh; /* Total high memory size */
- unsigned long freehigh; /* Available high memory size */
- unsigned int mem_unit; /* Memory unit size in bytes */
- char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
- };
- /* 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 constant and true */
- #define MAYBE_BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
- /* Force a compilation error if a constant expression is not a power of 2 */
- #define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
- BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
- /* 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); }))
- /* 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
- #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
- #endif
- /* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */
- #ifdef CONFIG_FTRACE_MCOUNT_RECORD
- # define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
- #endif
- struct module;
- void mark_hardware_unsupported(const char *msg);
- void mark_tech_preview(const char *msg, struct module *mod);
- #endif
|