patch-2.1.23 linux/include/linux/slab.h

• Lines: 61
• Date: Sun Jan 26 12:21:08 1997
• Orig file: v2.1.22/linux/include/linux/slab.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.22/linux/include/linux/slab.h linux/include/linux/slab.h
@@ -0,0 +1,60 @@
+/*
+ * linux/mm/slab.h
+ * Written by Mark Hemment, 1996.
+ * (markhe@nextd.demon.co.uk)
+ */
+
+#if	!defined(_LINUX_SLAB_H)
+#define	_LINUX_SLAB_H
+
+#if	defined(__KERNEL__)
+
+typedef struct kmem_cache_s kmem_cache_t;
+
+#include	<linux/mm.h>
+
+/* flags for kmem_cache_alloc() */
+#define	SLAB_BUFFER		GFP_BUFFER	/* 0x00 */
+#define	SLAB_ATOMIC		GFP_ATOMIC	/* 0x01 */
+#define	SLAB_USER		GFP_USER	/* 0x02 */
+#define	SLAB_KERNEL		GFP_KERNEL	/* 0x03 */
+#define	SLAB_NOBUFFER		GFP_NOBUFFER	/* 0x04 */
+#define	SLAB_NFS		GFP_NFS		/* 0x05 */
+#define	SLAB_DMA		GFP_DMA		/* 0x08 */
+#define	SLAB_LEVEL_MASK		GFP_LEVEL_MASK	/* 0x0f */
+#define	SLAB_NO_GROW		0x00001000UL	/* don't add another slab during an alloc */
+
+/* flags to pass to kmem_cache_create().
+ * The first 3 are only valid when the allocator has been build
+ * SLAB_DEBUG_SUPPORT.
+ */
+#define	SLAB_DEBUG_FREE		0x00000100UL	/* Peform time consuming ptr checks on free */
+#define	SLAB_DEBUG_INITIAL	0x00000200UL	/* Call constructor, on release, to conform state */
+#define	SLAB_RED_ZONE		0x00000400UL	/* Red zone objs in a cache */
+#define	SLAB_HWCACHE_ALIGN	0x00000800UL	/* align objs on an hw cache line */
+
+/* flags passed to a constructor func */
+#define	SLAB_CTOR_CONSTRUCTOR	0x001UL		/* if not set, then deconstructor */
+#define SLAB_CTOR_ATOMIC	0x002UL		/* tell constructor it can't sleep */
+#define	SLAB_DTOR_ATOMIC	0x002UL		/* tell deconstructor it can't sleep */
+#define	SLAB_CTOR_VERIFY	0x004UL		/* tell constructor it's a verify call */
+
+/* prototypes */
+extern long kmem_cache_init(long, long);
+extern void kmem_cache_sizes_init(void);
+extern struct kmem_cache_s *kmem_cache_create(const char *, unsigned long, unsigned long, unsigned long, void (*)(void *, int, unsigned long), void (*)(void *, int, unsigned long));
+extern int kmem_cache_destroy(struct kmem_cache_s *);
+extern int kmem_cache_shrink(struct kmem_cache_s *, int);
+extern void *kmem_cache_alloc(struct kmem_cache_s *, unsigned long);
+extern void kmem_cache_free(struct kmem_cache_s *, void *);
+extern void *kmem_alloc(unsigned long, unsigned long);
+extern void kmem_free(void *, unsigned long);
+extern int kmem_cache_reap(int, int, int);
+extern int get_slabinfo(char *);
+
+/* System wide slabs. */
+extern kmem_cache_t *vm_area_cachep;
+
+#endif	/* __KERNEL__ */
+
+#endif	/* _LINUX_SLAB_H */