-/*****************************************************************************\
+/*
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
-\*****************************************************************************/
+ */
#ifndef _SPL_KMEM_H
#define _SPL_KMEM_H
/*
* Memory allocation interfaces
*/
-#define KM_SLEEP GFP_KERNEL /* Can sleep, never fails */
-#define KM_NOSLEEP GFP_ATOMIC /* Can not sleep, may fail */
-#define KM_PUSHPAGE (GFP_NOIO | __GFP_HIGH) /* Use reserved memory */
-#define KM_NODEBUG __GFP_NOWARN /* Suppress warnings */
-#define KM_FLAGS __GFP_BITS_MASK
-#define KM_VMFLAGS GFP_LEVEL_MASK
+#define KM_SLEEP GFP_KERNEL /* Can sleep, never fails */
+#define KM_NOSLEEP GFP_ATOMIC /* Can not sleep, may fail */
+#define KM_PUSHPAGE (GFP_NOIO | __GFP_HIGH) /* Use reserved memory */
+#define KM_NODEBUG __GFP_NOWARN /* Suppress warnings */
+#define KM_FLAGS __GFP_BITS_MASK
+#define KM_VMFLAGS GFP_LEVEL_MASK
/*
* Used internally, the kernel does not need to support this flag
*/
#ifndef __GFP_ZERO
-# define __GFP_ZERO 0x8000
+#define __GFP_ZERO 0x8000
#endif
/*
ptr = kmalloc(size, flags);
} while (ptr == NULL && (flags & __GFP_WAIT));
- return ptr;
+ return (ptr);
}
static inline void *
ptr = kzalloc(size, flags);
} while (ptr == NULL && (flags & __GFP_WAIT));
- return ptr;
+ return (ptr);
}
static inline void *
ptr = kmalloc_node(size, flags, node);
} while (ptr == NULL && (flags & __GFP_WAIT));
- return ptr;
+ return (ptr);
}
#ifdef DEBUG_KMEM
/*
* Memory accounting functions to be used only when DEBUG_KMEM is set.
*/
-# ifdef HAVE_ATOMIC64_T
-
-# define kmem_alloc_used_add(size) atomic64_add(size, &kmem_alloc_used)
-# define kmem_alloc_used_sub(size) atomic64_sub(size, &kmem_alloc_used)
-# define kmem_alloc_used_read() atomic64_read(&kmem_alloc_used)
-# define kmem_alloc_used_set(size) atomic64_set(&kmem_alloc_used, size)
-
+#ifdef HAVE_ATOMIC64_T
+#define kmem_alloc_used_add(size) atomic64_add(size, &kmem_alloc_used)
+#define kmem_alloc_used_sub(size) atomic64_sub(size, &kmem_alloc_used)
+#define kmem_alloc_used_read() atomic64_read(&kmem_alloc_used)
+#define kmem_alloc_used_set(size) atomic64_set(&kmem_alloc_used, size)
extern atomic64_t kmem_alloc_used;
extern unsigned long long kmem_alloc_max;
-
-# else /* HAVE_ATOMIC64_T */
-
-# define kmem_alloc_used_add(size) atomic_add(size, &kmem_alloc_used)
-# define kmem_alloc_used_sub(size) atomic_sub(size, &kmem_alloc_used)
-# define kmem_alloc_used_read() atomic_read(&kmem_alloc_used)
-# define kmem_alloc_used_set(size) atomic_set(&kmem_alloc_used, size)
-
+#else /* HAVE_ATOMIC64_T */
+#define kmem_alloc_used_add(size) atomic_add(size, &kmem_alloc_used)
+#define kmem_alloc_used_sub(size) atomic_sub(size, &kmem_alloc_used)
+#define kmem_alloc_used_read() atomic_read(&kmem_alloc_used)
+#define kmem_alloc_used_set(size) atomic_set(&kmem_alloc_used, size)
extern atomic_t kmem_alloc_used;
extern unsigned long long kmem_alloc_max;
+#endif /* HAVE_ATOMIC64_T */
-# endif /* HAVE_ATOMIC64_T */
-
-# ifdef DEBUG_KMEM_TRACKING
+#ifdef DEBUG_KMEM_TRACKING
/*
* DEBUG_KMEM && DEBUG_KMEM_TRACKING
*
* be enabled for debugging. This feature may be enabled by passing
* --enable-debug-kmem-tracking to configure.
*/
-# define kmem_alloc(sz, fl) kmem_alloc_track((sz), (fl), \
- __FUNCTION__, __LINE__, 0, 0)
-# define kmem_zalloc(sz, fl) kmem_alloc_track((sz), (fl)|__GFP_ZERO,\
- __FUNCTION__, __LINE__, 0, 0)
-# define kmem_alloc_node(sz, fl, nd) kmem_alloc_track((sz), (fl), \
- __FUNCTION__, __LINE__, 1, nd)
-# define kmem_free(ptr, sz) kmem_free_track((ptr), (sz))
+#define kmem_alloc(sz, fl) kmem_alloc_track((sz), (fl), \
+ __FUNCTION__, __LINE__, 0, 0)
+#define kmem_zalloc(sz, fl) kmem_alloc_track((sz), (fl)|__GFP_ZERO,\
+ __FUNCTION__, __LINE__, 0, 0)
+#define kmem_alloc_node(sz, fl, nd) kmem_alloc_track((sz), (fl), \
+ __FUNCTION__, __LINE__, 1, nd)
+#define kmem_free(ptr, sz) kmem_free_track((ptr), (sz))
extern void *kmem_alloc_track(size_t, int, const char *, int, int, int);
extern void kmem_free_track(const void *, size_t);
-# else /* DEBUG_KMEM_TRACKING */
+#else /* DEBUG_KMEM_TRACKING */
/*
* DEBUG_KMEM && !DEBUG_KMEM_TRACKING
*
* will be reported on the console. To disable this basic accounting
* pass the --disable-debug-kmem option to configure.
*/
-# define kmem_alloc(sz, fl) kmem_alloc_debug((sz), (fl), \
- __FUNCTION__, __LINE__, 0, 0)
-# define kmem_zalloc(sz, fl) kmem_alloc_debug((sz), (fl)|__GFP_ZERO,\
- __FUNCTION__, __LINE__, 0, 0)
-# define kmem_alloc_node(sz, fl, nd) kmem_alloc_debug((sz), (fl), \
- __FUNCTION__, __LINE__, 1, nd)
-# define kmem_free(ptr, sz) kmem_free_debug((ptr), (sz))
+#define kmem_alloc(sz, fl) kmem_alloc_debug((sz), (fl), \
+ __FUNCTION__, __LINE__, 0, 0)
+#define kmem_zalloc(sz, fl) kmem_alloc_debug((sz), (fl)|__GFP_ZERO,\
+ __FUNCTION__, __LINE__, 0, 0)
+#define kmem_alloc_node(sz, fl, nd) kmem_alloc_debug((sz), (fl), \
+ __FUNCTION__, __LINE__, 1, nd)
+#define kmem_free(ptr, sz) kmem_free_debug((ptr), (sz))
extern void *kmem_alloc_debug(size_t, int, const char *, int, int, int);
extern void kmem_free_debug(const void *, size_t);
-# endif /* DEBUG_KMEM_TRACKING */
+#endif /* DEBUG_KMEM_TRACKING */
#else /* DEBUG_KMEM */
/*
* !DEBUG_KMEM && !DEBUG_KMEM_TRACKING
* minimal memory accounting. To enable basic accounting pass the
* --enable-debug-kmem option to configure.
*/
-# define kmem_alloc(sz, fl) kmalloc_nofail((sz), (fl))
-# define kmem_zalloc(sz, fl) kzalloc_nofail((sz), (fl))
-# define kmem_alloc_node(sz, fl, nd) kmalloc_node_nofail((sz), (fl), (nd))
-# define kmem_free(ptr, sz) ((void)(sz), kfree(ptr))
+#define kmem_alloc(sz, fl) kmalloc_nofail((sz), (fl))
+#define kmem_zalloc(sz, fl) kzalloc_nofail((sz), (fl))
+#define kmem_alloc_node(sz, fl, nd) kmalloc_node_nofail((sz), (fl), (nd))
+#define kmem_free(ptr, sz) ((void)(sz), kfree(ptr))
#endif /* DEBUG_KMEM */
int spl_kmem_init(void);
void spl_kmem_fini(void);
-#define kmem_virt(ptr) (((ptr) >= (void *)VMALLOC_START) && \
- ((ptr) < (void *)VMALLOC_END))
+#define kmem_virt(ptr) (((ptr) >= (void *)VMALLOC_START) && \
+ ((ptr) < (void *)VMALLOC_END))
#endif /* _SPL_KMEM_H */