1 | /*
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2 | * linux/mm/slab.h
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3 | * Written by Mark Hemment, 1996.
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4 | * (markhe@nextd.demon.co.uk)
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5 | */
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6 |
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7 | #if !defined(_LINUX_SLAB_H)
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8 | #define _LINUX_SLAB_H
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9 |
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10 | #if defined(__KERNEL__)
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11 |
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12 | typedef struct kmem_cache_s kmem_cache_t;
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13 |
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14 | /* flags for kmem_cache_alloc() */
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15 | #define SLAB_BUFFER GFP_BUFFER
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16 | #define SLAB_ATOMIC GFP_ATOMIC
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17 | #define SLAB_USER GFP_USER
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18 | #define SLAB_KERNEL GFP_KERNEL
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19 | #define SLAB_NFS GFP_NFS
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20 | #define SLAB_DMA GFP_DMA
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21 |
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22 | #define SLAB_LEVEL_MASK 0x0000007fUL
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23 | #define SLAB_NO_GROW 0x00001000UL /* don't grow a cache */
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24 |
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25 | /* flags to pass to kmem_cache_create().
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26 | * The first 3 are only valid when the allocator as been build
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27 | * SLAB_DEBUG_SUPPORT.
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28 | */
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29 | #define SLAB_DEBUG_FREE 0x00000100UL /* Peform (expensive) checks on free */
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30 | #define SLAB_DEBUG_INITIAL 0x00000200UL /* Call constructor (as verifier) */
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31 | #define SLAB_RED_ZONE 0x00000400UL /* Red zone objs in a cache */
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32 | #define SLAB_POISON 0x00000800UL /* Poison objects */
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33 | #define SLAB_NO_REAP 0x00001000UL /* never reap from the cache */
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34 | #define SLAB_HWCACHE_ALIGN 0x00002000UL /* align objs on a h/w cache lines */
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35 | #if 0
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36 | #define SLAB_HIGH_PACK 0x00004000UL /* XXX */
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37 | #endif
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38 |
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39 | /* flags passed to a constructor func */
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40 | #define SLAB_CTOR_CONSTRUCTOR 0x001UL /* if not set, then deconstructor */
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41 | #define SLAB_CTOR_ATOMIC 0x002UL /* tell constructor it can't sleep */
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42 | #define SLAB_CTOR_VERIFY 0x004UL /* tell constructor it's a verify call */
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43 |
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44 | #endif /* __KERNEL__ */
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45 |
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46 | //NOTE: enabling this in the non-KEE driver causes problems (file name strings
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47 | // put in seperate private segments)
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48 | #ifdef DEBUGHEAP
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49 | extern void near *__kmalloc(int, int, const char *filename, int lineno);
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50 | extern void __kfree(const void near *, const char *filename, int lineno);
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51 |
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52 | #define kmalloc(a,b) __kmalloc(a,b, __FILE__, __LINE__)
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53 | #define kfree(a) __kfree(a, __FILE__, __LINE__)
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54 | #define kfree_s(a,b) __kfree(a, __FILE__, __LINE__)
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55 | #define kfree_nocheck(a) __kfree(a, __FILE__, __LINE__)
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56 |
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57 | #else
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58 | extern void near *__kmalloc(int, int);
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59 | extern void __kfree(const void near *);
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60 |
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61 | #define kmalloc(a,b) __kmalloc(a,b)
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62 | #define kfree(a) __kfree(a)
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63 |
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64 | #define kfree_s(a,b) kfree(a)
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65 | #define kfree_nocheck(a) kfree(a)
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66 | #endif
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67 |
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68 | #endif /* _LINUX_SLAB_H */
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