# include <linux/mm_inline.h>
#endif
-typedef struct page cfs_page_t;
-#define CFS_PAGE_SIZE PAGE_CACHE_SIZE
-#define CFS_PAGE_SHIFT PAGE_CACHE_SHIFT
-#define CFS_PAGE_MASK (~((__u64)CFS_PAGE_SIZE-1))
+#define CFS_PAGE_MASK (~((__u64)PAGE_CACHE_SIZE-1))
-#define cfs_num_physpages num_physpages
+#define page_index(p) ((p)->index)
-#define cfs_copy_from_user(to, from, n) copy_from_user(to, from, n)
-#define cfs_copy_to_user(to, from, n) copy_to_user(to, from, n)
-static inline void *cfs_page_address(cfs_page_t *page)
-{
- /*
- * XXX nikita: do NOT call portals_debug_msg() (CDEBUG/ENTRY/EXIT)
- * from here: this will lead to infinite recursion.
- */
- return page_address(page);
-}
-
-static inline void *cfs_kmap(cfs_page_t *page)
-{
- return kmap(page);
-}
-
-static inline void cfs_kunmap(cfs_page_t *page)
-{
- kunmap(page);
-}
-
-static inline void cfs_get_page(cfs_page_t *page)
-{
- get_page(page);
-}
-
-static inline int cfs_page_count(cfs_page_t *page)
-{
- return page_count(page);
-}
-
-#define cfs_page_index(p) ((p)->index)
-
-#define cfs_page_pin(page) page_cache_get(page)
-#define cfs_page_unpin(page) page_cache_release(page)
-
-/*
- * Memory allocator
- * XXX Liang: move these declare to public file
- */
-extern void *cfs_alloc(size_t nr_bytes, u_int32_t flags);
-extern void cfs_free(void *addr);
-
-extern void *cfs_alloc_large(size_t nr_bytes);
-extern void cfs_free_large(void *addr);
-
-extern cfs_page_t *cfs_alloc_page(unsigned int flags);
-extern void cfs_free_page(cfs_page_t *page);
-
-#define cfs_memory_pressure_get() (current->flags & PF_MEMALLOC)
-#define cfs_memory_pressure_set() do { current->flags |= PF_MEMALLOC; } while (0)
-#define cfs_memory_pressure_clr() do { current->flags &= ~PF_MEMALLOC; } while (0)
+#define memory_pressure_get() (current->flags & PF_MEMALLOC)
+#define memory_pressure_set() do { current->flags |= PF_MEMALLOC; } while (0)
+#define memory_pressure_clr() do { current->flags &= ~PF_MEMALLOC; } while (0)
#if BITS_PER_LONG == 32
/* limit to lowmem on 32-bit systems */
-#define CFS_NUM_CACHEPAGES \
- min(cfs_num_physpages, 1UL << (30 - CFS_PAGE_SHIFT) * 3 / 4)
+#define NUM_CACHEPAGES \
+ min(num_physpages, 1UL << (30 - PAGE_CACHE_SHIFT) * 3 / 4)
#else
-#define CFS_NUM_CACHEPAGES cfs_num_physpages
+#define NUM_CACHEPAGES num_physpages
#endif
/*
* In Linux there is no way to determine whether current execution context is
* blockable.
*/
-#define CFS_ALLOC_ATOMIC_TRY CFS_ALLOC_ATOMIC
+#define ALLOC_ATOMIC_TRY GFP_ATOMIC
+/* GFP_IOFS was added in 2.6.33 kernel */
+#ifndef GFP_IOFS
+#define GFP_IOFS (__GFP_IO | __GFP_FS)
+#endif
-/*
- * SLAB allocator
- * XXX Liang: move these declare to public file
- */
-typedef struct kmem_cache cfs_mem_cache_t;
-extern cfs_mem_cache_t * cfs_mem_cache_create (const char *, size_t, size_t, unsigned long);
-extern int cfs_mem_cache_destroy ( cfs_mem_cache_t * );
-extern void *cfs_mem_cache_alloc ( cfs_mem_cache_t *, int);
-extern void cfs_mem_cache_free ( cfs_mem_cache_t *, void *);
-extern int cfs_mem_is_in_cache(const void *addr, const cfs_mem_cache_t *kmem);
-
-#define CFS_DECL_MMSPACE mm_segment_t __oldfs
-#define CFS_MMSPACE_OPEN \
+#define DECL_MMSPACE mm_segment_t __oldfs
+#define MMSPACE_OPEN \
do { __oldfs = get_fs(); set_fs(get_ds());} while(0)
-#define CFS_MMSPACE_CLOSE set_fs(__oldfs)
+#define MMSPACE_CLOSE set_fs(__oldfs)
-#define CFS_SLAB_HWCACHE_ALIGN SLAB_HWCACHE_ALIGN
-#define CFS_SLAB_KERNEL SLAB_KERNEL
-#define CFS_SLAB_NOFS SLAB_NOFS
-/*
- * NUMA allocators
- *
- * NB: we will rename these functions in a separate patch:
- * - rename cfs_alloc to cfs_malloc
- * - rename cfs_alloc/free_page to cfs_page_alloc/free
- * - rename cfs_alloc/free_large to cfs_vmalloc/vfree
- */
extern void *cfs_cpt_malloc(struct cfs_cpt_table *cptab, int cpt,
size_t nr_bytes, unsigned int flags);
extern void *cfs_cpt_vmalloc(struct cfs_cpt_table *cptab, int cpt,
size_t nr_bytes);
-extern cfs_page_t *cfs_page_cpt_alloc(struct cfs_cpt_table *cptab,
+extern struct page *cfs_page_cpt_alloc(struct cfs_cpt_table *cptab,
int cpt, unsigned int flags);
-extern void *cfs_mem_cache_cpt_alloc(cfs_mem_cache_t *cachep,
+extern void *cfs_mem_cache_cpt_alloc(struct kmem_cache *cachep,
struct cfs_cpt_table *cptab,
int cpt, unsigned int flags);
/*
* Shrinker
*/
-#define cfs_shrinker shrinker
#ifdef HAVE_SHRINK_CONTROL
# define SHRINKER_ARGS(sc, nr_to_scan, gfp_mask) \
#endif
#ifdef HAVE_REGISTER_SHRINKER
-typedef int (*cfs_shrinker_t)(SHRINKER_ARGS(sc, nr_to_scan, gfp_mask));
+typedef int (*shrinker_t)(SHRINKER_ARGS(sc, nr_to_scan, gfp_mask));
static inline
-struct cfs_shrinker *cfs_set_shrinker(int seek, cfs_shrinker_t func)
+struct shrinker *set_shrinker(int seek, shrinker_t func)
{
struct shrinker *s;
}
static inline
-void cfs_remove_shrinker(struct cfs_shrinker *shrinker)
+void remove_shrinker(struct shrinker *shrinker)
{
if (shrinker == NULL)
return;
unregister_shrinker(shrinker);
kfree(shrinker);
}
-#else
-typedef shrinker_t cfs_shrinker_t;
-#define cfs_set_shrinker(s, f) set_shrinker(s, f)
-#define cfs_remove_shrinker(s) remove_shrinker(s)
#endif
-#define CFS_DEFAULT_SEEKS DEFAULT_SEEKS
#endif /* __LINUX_CFS_MEM_H__ */