Merge branch 'upstream-merged'

1 files changed, 158 insertions, 0 deletions

diff --git a/libdde_linux26/contrib/include/linux/bootmem.h b/libdde_linux26/contrib/include/linux/bootmem.h
new file mode 100644
index 00000000..95837bfb
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/bootmem.h
@@ -0,0 +1,158 @@
+/*
+ * Discontiguous memory support, Kanoj Sarcar, SGI, Nov 1999
+ */
+#ifndef _LINUX_BOOTMEM_H
+#define _LINUX_BOOTMEM_H
+
+#include <linux/mmzone.h>
+#include <asm/dma.h>
+
+/*
+ *  simple boot-time physical memory area allocator.
+ */
+
+extern unsigned long max_low_pfn;
+extern unsigned long min_low_pfn;
+
+/*
+ * highest page
+ */
+extern unsigned long max_pfn;
+
+#ifdef CONFIG_CRASH_DUMP
+extern unsigned long saved_max_pfn;
+#endif
+
+/*
+ * node_bootmem_map is a map pointer - the bits represent all physical 
+ * memory pages (including holes) on the node.
+ */
+typedef struct bootmem_data {
+	unsigned long node_min_pfn;
+	unsigned long node_low_pfn;
+	void *node_bootmem_map;
+	unsigned long last_end_off;
+	unsigned long hint_idx;
+	struct list_head list;
+} bootmem_data_t;
+
+extern bootmem_data_t bootmem_node_data[];
+
+extern unsigned long bootmem_bootmap_pages(unsigned long);
+
+extern unsigned long init_bootmem_node(pg_data_t *pgdat,
+				       unsigned long freepfn,
+				       unsigned long startpfn,
+				       unsigned long endpfn);
+extern unsigned long init_bootmem(unsigned long addr, unsigned long memend);
+
+extern unsigned long free_all_bootmem_node(pg_data_t *pgdat);
+extern unsigned long free_all_bootmem(void);
+
+extern void free_bootmem_node(pg_data_t *pgdat,
+			      unsigned long addr,
+			      unsigned long size);
+extern void free_bootmem(unsigned long addr, unsigned long size);
+
+/*
+ * Flags for reserve_bootmem (also if CONFIG_HAVE_ARCH_BOOTMEM_NODE,
+ * the architecture-specific code should honor this).
+ *
+ * If flags is 0, then the return value is always 0 (success). If
+ * flags contains BOOTMEM_EXCLUSIVE, then -EBUSY is returned if the
+ * memory already was reserved.
+ */
+#define BOOTMEM_DEFAULT		0
+#define BOOTMEM_EXCLUSIVE	(1<<0)
+
+extern int reserve_bootmem_node(pg_data_t *pgdat,
+				 unsigned long physaddr,
+				 unsigned long size,
+				 int flags);
+#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
+extern int reserve_bootmem(unsigned long addr, unsigned long size, int flags);
+#endif
+
+extern void *__alloc_bootmem_nopanic(unsigned long size,
+			     unsigned long align,
+			     unsigned long goal);
+extern void *__alloc_bootmem(unsigned long size,
+				     unsigned long align,
+				     unsigned long goal);
+extern void *__alloc_bootmem_low(unsigned long size,
+				 unsigned long align,
+				 unsigned long goal);
+extern void *__alloc_bootmem_node(pg_data_t *pgdat,
+				  unsigned long size,
+				  unsigned long align,
+				  unsigned long goal);
+extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat,
+				  unsigned long size,
+				  unsigned long align,
+				  unsigned long goal);
+extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
+				      unsigned long size,
+				      unsigned long align,
+				      unsigned long goal);
+#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
+#define alloc_bootmem(x) \
+	__alloc_bootmem(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_nopanic(x) \
+	__alloc_bootmem_nopanic(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_low(x) \
+	__alloc_bootmem_low(x, SMP_CACHE_BYTES, 0)
+#define alloc_bootmem_pages(x) \
+	__alloc_bootmem(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_pages_nopanic(x) \
+	__alloc_bootmem_nopanic(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_low_pages(x) \
+	__alloc_bootmem_low(x, PAGE_SIZE, 0)
+#define alloc_bootmem_node(pgdat, x) \
+	__alloc_bootmem_node(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_pages_node(pgdat, x) \
+	__alloc_bootmem_node(pgdat, x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_low_pages_node(pgdat, x) \
+	__alloc_bootmem_low_node(pgdat, x, PAGE_SIZE, 0)
+#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
+
+extern int reserve_bootmem_generic(unsigned long addr, unsigned long size,
+				   int flags);
+
+extern void *alloc_bootmem_section(unsigned long size,
+				   unsigned long section_nr);
+
+#ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP
+extern void *alloc_remap(int nid, unsigned long size);
+#else
+static inline void *alloc_remap(int nid, unsigned long size)
+{
+	return NULL;
+}
+#endif /* CONFIG_HAVE_ARCH_ALLOC_REMAP */
+
+extern unsigned long __meminitdata nr_kernel_pages;
+extern unsigned long __meminitdata nr_all_pages;
+
+extern void *alloc_large_system_hash(const char *tablename,
+				     unsigned long bucketsize,
+				     unsigned long numentries,
+				     int scale,
+				     int flags,
+				     unsigned int *_hash_shift,
+				     unsigned int *_hash_mask,
+				     unsigned long limit);
+
+#define HASH_EARLY	0x00000001	/* Allocating during early boot? */
+
+/* Only NUMA needs hash distribution.
+ * IA64 and x86_64 have sufficient vmalloc space.
+ */
+#if defined(CONFIG_NUMA) && (defined(CONFIG_IA64) || defined(CONFIG_X86_64))
+#define HASHDIST_DEFAULT 1
+#else
+#define HASHDIST_DEFAULT 0
+#endif
+extern int hashdist;		/* Distribute hashes across NUMA nodes? */
+
+
+#endif /* _LINUX_BOOTMEM_H */