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-rw-r--r--ANDROID_3.4.5/include/linux/flex_array.h80
1 files changed, 0 insertions, 80 deletions
diff --git a/ANDROID_3.4.5/include/linux/flex_array.h b/ANDROID_3.4.5/include/linux/flex_array.h
deleted file mode 100644
index 6843cf19..00000000
--- a/ANDROID_3.4.5/include/linux/flex_array.h
+++ /dev/null
@@ -1,80 +0,0 @@
-#ifndef _FLEX_ARRAY_H
-#define _FLEX_ARRAY_H
-
-#include <linux/types.h>
-#include <asm/page.h>
-
-#define FLEX_ARRAY_PART_SIZE PAGE_SIZE
-#define FLEX_ARRAY_BASE_SIZE PAGE_SIZE
-
-struct flex_array_part;
-
-/*
- * This is meant to replace cases where an array-like
- * structure has gotten too big to fit into kmalloc()
- * and the developer is getting tempted to use
- * vmalloc().
- */
-
-struct flex_array {
- union {
- struct {
- int element_size;
- int total_nr_elements;
- int elems_per_part;
- u32 reciprocal_elems;
- struct flex_array_part *parts[];
- };
- /*
- * This little trick makes sure that
- * sizeof(flex_array) == PAGE_SIZE
- */
- char padding[FLEX_ARRAY_BASE_SIZE];
- };
-};
-
-/* Number of bytes left in base struct flex_array, excluding metadata */
-#define FLEX_ARRAY_BASE_BYTES_LEFT \
- (FLEX_ARRAY_BASE_SIZE - offsetof(struct flex_array, parts))
-
-/* Number of pointers in base to struct flex_array_part pages */
-#define FLEX_ARRAY_NR_BASE_PTRS \
- (FLEX_ARRAY_BASE_BYTES_LEFT / sizeof(struct flex_array_part *))
-
-/* Number of elements of size that fit in struct flex_array_part */
-#define FLEX_ARRAY_ELEMENTS_PER_PART(size) \
- (FLEX_ARRAY_PART_SIZE / size)
-
-/*
- * Defines a statically allocated flex array and ensures its parameters are
- * valid.
- */
-#define DEFINE_FLEX_ARRAY(__arrayname, __element_size, __total) \
- struct flex_array __arrayname = { { { \
- .element_size = (__element_size), \
- .total_nr_elements = (__total), \
- } } }; \
- static inline void __arrayname##_invalid_parameter(void) \
- { \
- BUILD_BUG_ON((__total) > FLEX_ARRAY_NR_BASE_PTRS * \
- FLEX_ARRAY_ELEMENTS_PER_PART(__element_size)); \
- }
-
-struct flex_array *flex_array_alloc(int element_size, unsigned int total,
- gfp_t flags);
-int flex_array_prealloc(struct flex_array *fa, unsigned int start,
- unsigned int nr_elements, gfp_t flags);
-void flex_array_free(struct flex_array *fa);
-void flex_array_free_parts(struct flex_array *fa);
-int flex_array_put(struct flex_array *fa, unsigned int element_nr, void *src,
- gfp_t flags);
-int flex_array_clear(struct flex_array *fa, unsigned int element_nr);
-void *flex_array_get(struct flex_array *fa, unsigned int element_nr);
-int flex_array_shrink(struct flex_array *fa);
-
-#define flex_array_put_ptr(fa, nr, src, gfp) \
- flex_array_put(fa, nr, (void *)&(src), gfp)
-
-void *flex_array_get_ptr(struct flex_array *fa, unsigned int element_nr);
-
-#endif /* _FLEX_ARRAY_H */