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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/slab_def.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/slab_def.h')
-rw-r--r--ANDROID_3.4.5/include/linux/slab_def.h215
1 files changed, 0 insertions, 215 deletions
diff --git a/ANDROID_3.4.5/include/linux/slab_def.h b/ANDROID_3.4.5/include/linux/slab_def.h
deleted file mode 100644
index fbd1117f..00000000
--- a/ANDROID_3.4.5/include/linux/slab_def.h
+++ /dev/null
@@ -1,215 +0,0 @@
-#ifndef _LINUX_SLAB_DEF_H
-#define _LINUX_SLAB_DEF_H
-
-/*
- * Definitions unique to the original Linux SLAB allocator.
- *
- * What we provide here is a way to optimize the frequent kmalloc
- * calls in the kernel by selecting the appropriate general cache
- * if kmalloc was called with a size that can be established at
- * compile time.
- */
-
-#include <linux/init.h>
-#include <asm/page.h> /* kmalloc_sizes.h needs PAGE_SIZE */
-#include <asm/cache.h> /* kmalloc_sizes.h needs L1_CACHE_BYTES */
-#include <linux/compiler.h>
-
-/*
- * struct kmem_cache
- *
- * manages a cache.
- */
-
-struct kmem_cache {
-/* 1) Cache tunables. Protected by cache_chain_mutex */
- unsigned int batchcount;
- unsigned int limit;
- unsigned int shared;
-
- unsigned int buffer_size;
- u32 reciprocal_buffer_size;
-/* 2) touched by every alloc & free from the backend */
-
- unsigned int flags; /* constant flags */
- unsigned int num; /* # of objs per slab */
-
-/* 3) cache_grow/shrink */
- /* order of pgs per slab (2^n) */
- unsigned int gfporder;
-
- /* force GFP flags, e.g. GFP_DMA */
- gfp_t gfpflags;
-
- size_t colour; /* cache colouring range */
- unsigned int colour_off; /* colour offset */
- struct kmem_cache *slabp_cache;
- unsigned int slab_size;
- unsigned int dflags; /* dynamic flags */
-
- /* constructor func */
- void (*ctor)(void *obj);
-
-/* 4) cache creation/removal */
- const char *name;
- struct list_head next;
-
-/* 5) statistics */
-#ifdef CONFIG_DEBUG_SLAB
- unsigned long num_active;
- unsigned long num_allocations;
- unsigned long high_mark;
- unsigned long grown;
- unsigned long reaped;
- unsigned long errors;
- unsigned long max_freeable;
- unsigned long node_allocs;
- unsigned long node_frees;
- unsigned long node_overflow;
- atomic_t allochit;
- atomic_t allocmiss;
- atomic_t freehit;
- atomic_t freemiss;
-
- /*
- * If debugging is enabled, then the allocator can add additional
- * fields and/or padding to every object. buffer_size contains the total
- * object size including these internal fields, the following two
- * variables contain the offset to the user object and its size.
- */
- int obj_offset;
- int obj_size;
-#endif /* CONFIG_DEBUG_SLAB */
-
-/* 6) per-cpu/per-node data, touched during every alloc/free */
- /*
- * We put array[] at the end of kmem_cache, because we want to size
- * this array to nr_cpu_ids slots instead of NR_CPUS
- * (see kmem_cache_init())
- * We still use [NR_CPUS] and not [1] or [0] because cache_cache
- * is statically defined, so we reserve the max number of cpus.
- */
- struct kmem_list3 **nodelists;
- struct array_cache *array[NR_CPUS];
- /*
- * Do not add fields after array[]
- */
-};
-
-/* Size description struct for general caches. */
-struct cache_sizes {
- size_t cs_size;
- struct kmem_cache *cs_cachep;
-#ifdef CONFIG_ZONE_DMA
- struct kmem_cache *cs_dmacachep;
-#endif
-};
-extern struct cache_sizes malloc_sizes[];
-
-void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
-void *__kmalloc(size_t size, gfp_t flags);
-
-#ifdef CONFIG_TRACING
-extern void *kmem_cache_alloc_trace(size_t size,
- struct kmem_cache *cachep, gfp_t flags);
-extern size_t slab_buffer_size(struct kmem_cache *cachep);
-#else
-static __always_inline void *
-kmem_cache_alloc_trace(size_t size, struct kmem_cache *cachep, gfp_t flags)
-{
- return kmem_cache_alloc(cachep, flags);
-}
-static inline size_t slab_buffer_size(struct kmem_cache *cachep)
-{
- return 0;
-}
-#endif
-
-static __always_inline void *kmalloc(size_t size, gfp_t flags)
-{
- struct kmem_cache *cachep;
- void *ret;
-
- if (__builtin_constant_p(size)) {
- int i = 0;
-
- if (!size)
- return ZERO_SIZE_PTR;
-
-#define CACHE(x) \
- if (size <= x) \
- goto found; \
- else \
- i++;
-#include <linux/kmalloc_sizes.h>
-#undef CACHE
- return NULL;
-found:
-#ifdef CONFIG_ZONE_DMA
- if (flags & GFP_DMA)
- cachep = malloc_sizes[i].cs_dmacachep;
- else
-#endif
- cachep = malloc_sizes[i].cs_cachep;
-
- ret = kmem_cache_alloc_trace(size, cachep, flags);
-
- return ret;
- }
- return __kmalloc(size, flags);
-}
-
-#ifdef CONFIG_NUMA
-extern void *__kmalloc_node(size_t size, gfp_t flags, int node);
-extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
-
-#ifdef CONFIG_TRACING
-extern void *kmem_cache_alloc_node_trace(size_t size,
- struct kmem_cache *cachep,
- gfp_t flags,
- int nodeid);
-#else
-static __always_inline void *
-kmem_cache_alloc_node_trace(size_t size,
- struct kmem_cache *cachep,
- gfp_t flags,
- int nodeid)
-{
- return kmem_cache_alloc_node(cachep, flags, nodeid);
-}
-#endif
-
-static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
-{
- struct kmem_cache *cachep;
-
- if (__builtin_constant_p(size)) {
- int i = 0;
-
- if (!size)
- return ZERO_SIZE_PTR;
-
-#define CACHE(x) \
- if (size <= x) \
- goto found; \
- else \
- i++;
-#include <linux/kmalloc_sizes.h>
-#undef CACHE
- return NULL;
-found:
-#ifdef CONFIG_ZONE_DMA
- if (flags & GFP_DMA)
- cachep = malloc_sizes[i].cs_dmacachep;
- else
-#endif
- cachep = malloc_sizes[i].cs_cachep;
-
- return kmem_cache_alloc_node_trace(size, cachep, flags, node);
- }
- return __kmalloc_node(size, flags, node);
-}
-
-#endif /* CONFIG_NUMA */
-
-#endif /* _LINUX_SLAB_DEF_H */