63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
#ifndef _LINUX_KERNEL_H
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#define _LINUX_KERNEL_H
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/*
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* 'kernel.h' contains some often-used function prototypes etc
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*/
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#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
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#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
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#define SI_LOAD_SHIFT 16
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struct sysinfo {
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long uptime; /* Seconds since boot */
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unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
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unsigned long totalram; /* Total usable main memory size */
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unsigned long freeram; /* Available memory size */
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unsigned long sharedram; /* Amount of shared memory */
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unsigned long bufferram; /* Memory used by buffers */
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unsigned long totalswap; /* Total swap space size */
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unsigned long freeswap; /* swap space still available */
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unsigned short procs; /* Number of current processes */
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unsigned short pad; /* explicit padding for m68k */
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unsigned long totalhigh; /* Total high memory size */
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unsigned long freehigh; /* Available high memory size */
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unsigned int mem_unit; /* Memory unit size in bytes */
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char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
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};
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/* Force a compilation error if condition is true */
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#define BUILD_BUG_ON(condition) ((void)BUILD_BUG_ON_ZERO(condition))
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/* Force a compilation error if condition is constant and true */
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#define MAYBE_BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
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/* Force a compilation error if a constant expression is not a power of 2 */
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#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
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BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
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/* Force a compilation error if condition is true, but also produce a
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result (of value 0 and type size_t), so the expression can be used
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e.g. in a structure initializer (or where-ever else comma expressions
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aren't permitted). */
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#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
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#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); }))
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/* Trap pasters of __FUNCTION__ at compile-time */
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#define __FUNCTION__ (__func__)
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/* This helps us to avoid #ifdef CONFIG_NUMA */
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#ifdef CONFIG_NUMA
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#define NUMA_BUILD 1
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#else
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#define NUMA_BUILD 0
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#endif
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/* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */
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#ifdef CONFIG_FTRACE_MCOUNT_RECORD
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# define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
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#endif
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#endif
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