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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-ia64/meminit.h
downloadop-kernel-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.zip
op-kernel-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.gz
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/asm-ia64/meminit.h')
-rw-r--r--include/asm-ia64/meminit.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/include/asm-ia64/meminit.h b/include/asm-ia64/meminit.h
new file mode 100644
index 0000000..1590dc6
--- /dev/null
+++ b/include/asm-ia64/meminit.h
@@ -0,0 +1,60 @@
+#ifndef meminit_h
+#define meminit_h
+
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/config.h>
+
+/*
+ * Entries defined so far:
+ * - boot param structure itself
+ * - memory map
+ * - initrd (optional)
+ * - command line string
+ * - kernel code & data
+ *
+ * More could be added if necessary
+ */
+#define IA64_MAX_RSVD_REGIONS 5
+
+struct rsvd_region {
+ unsigned long start; /* virtual address of beginning of element */
+ unsigned long end; /* virtual address of end of element + 1 */
+};
+
+extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
+extern int num_rsvd_regions;
+
+extern void find_memory (void);
+extern void reserve_memory (void);
+extern void find_initrd (void);
+extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
+
+/*
+ * For rounding an address to the next IA64_GRANULE_SIZE or order
+ */
+#define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1))
+#define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
+#define ORDERROUNDDOWN(n) ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1))
+
+#ifdef CONFIG_DISCONTIGMEM
+ extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
+#else
+# define call_pernode_memory(start, len, func) (*func)(start, len, 0)
+#endif
+
+#define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
+
+#ifdef CONFIG_VIRTUAL_MEM_MAP
+# define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */
+ extern unsigned long vmalloc_end;
+ extern struct page *vmem_map;
+ extern int find_largest_hole (u64 start, u64 end, void *arg);
+ extern int create_mem_map_page_table (u64 start, u64 end, void *arg);
+#endif
+
+#endif /* meminit_h */
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