Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[safe/jmp/linux-2.6] / include / linux / bootmem.h

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 95837bf..dd97fb8 100644 (file)
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -65,23 +65,20 @@ extern void free_bootmem(unsigned long addr, unsigned long size);
 #define BOOTMEM_DEFAULT                0
 #define BOOTMEM_EXCLUSIVE      (1<<0)
 
+extern int reserve_bootmem(unsigned long addr,
+                          unsigned long size,
+                          int flags);
 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
+                               unsigned long physaddr,
+                               unsigned long size,
+                               int flags);
 
-extern void *__alloc_bootmem_nopanic(unsigned long size,
+extern void *__alloc_bootmem(unsigned long size,
                             unsigned long align,
                             unsigned long goal);
-extern void *__alloc_bootmem(unsigned long size,
+extern void *__alloc_bootmem_nopanic(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,
@@ -90,30 +87,35 @@ extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat,
                                  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_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_pages_node_nopanic(pgdat, x) \
+       __alloc_bootmem_node_nopanic(pgdat, x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
+
+#define alloc_bootmem_low(x) \
+       __alloc_bootmem_low(x, SMP_CACHE_BYTES, 0)
+#define alloc_bootmem_low_pages(x) \
+       __alloc_bootmem_low(x, PAGE_SIZE, 0)
 #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);
@@ -130,9 +132,6 @@ static inline void *alloc_remap(int nid, unsigned long size)
 }
 #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,
@@ -143,11 +142,13 @@ extern void *alloc_large_system_hash(const char *tablename,
                                     unsigned long limit);
 
 #define HASH_EARLY     0x00000001      /* Allocating during early boot? */
+#define HASH_SMALL     0x00000002      /* sub-page allocation allowed, min
+                                        * shift passed via *_hash_shift */
 
-/* Only NUMA needs hash distribution.
- * IA64 and x86_64 have sufficient vmalloc space.
+/* Only NUMA needs hash distribution. 64bit NUMA architectures have
+ * sufficient vmalloc space.
  */
-#if defined(CONFIG_NUMA) && (defined(CONFIG_IA64) || defined(CONFIG_X86_64))
+#if defined(CONFIG_NUMA) && defined(CONFIG_64BIT)
 #define HASHDIST_DEFAULT 1
 #else
 #define HASHDIST_DEFAULT 0