summaryrefslogtreecommitdiff
path: root/arch/ia64/include/asm/sparsemem.h
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/ia64/include/asm/sparsemem.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip
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 'arch/ia64/include/asm/sparsemem.h')
-rw-r--r--arch/ia64/include/asm/sparsemem.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sparsemem.h b/arch/ia64/include/asm/sparsemem.h
new file mode 100644
index 00000000..67a7c40e
--- /dev/null
+++ b/arch/ia64/include/asm/sparsemem.h
@@ -0,0 +1,20 @@
+#ifndef _ASM_IA64_SPARSEMEM_H
+#define _ASM_IA64_SPARSEMEM_H
+
+#ifdef CONFIG_SPARSEMEM
+/*
+ * SECTION_SIZE_BITS 2^N: how big each section will be
+ * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
+ */
+
+#define SECTION_SIZE_BITS (30)
+#define MAX_PHYSMEM_BITS (50)
+#ifdef CONFIG_FORCE_MAX_ZONEORDER
+#if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS)
+#undef SECTION_SIZE_BITS
+#define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT)
+#endif
+#endif
+
+#endif /* CONFIG_SPARSEMEM */
+#endif /* _ASM_IA64_SPARSEMEM_H */