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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-05-07 12:40:33 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-16 05:57:35 -0400
commitbe370302742ff9948f2a42b15cb2ba174d97b930 (patch)
tree977bfa71c1e1483c22a40d85dfd3b233e5ac5d06 /arch/arm/mach-lh7a40x
parent7961239599de71130c852ecfa9a4140f3f60547b (diff)
ARM: Remove DISCONTIGMEM support
Everything should now be using sparsemem rather than discontigmem, so remove the code supporting discontigmem from ARM. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-lh7a40x')
-rw-r--r--arch/arm/mach-lh7a40x/include/mach/memory.h44
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/arm/mach-lh7a40x/include/mach/memory.h b/arch/arm/mach-lh7a40x/include/mach/memory.h
index 189d20e543e7..edb8f5faf5d5 100644
--- a/arch/arm/mach-lh7a40x/include/mach/memory.h
+++ b/arch/arm/mach-lh7a40x/include/mach/memory.h
@@ -19,50 +19,6 @@
19 */ 19 */
20#define PHYS_OFFSET UL(0xc0000000) 20#define PHYS_OFFSET UL(0xc0000000)
21 21
22#ifdef CONFIG_DISCONTIGMEM
23
24/*
25 * Given a kernel address, find the home node of the underlying memory.
26 */
27
28# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE
29# define KVADDR_TO_NID(addr) \
30 ( ((((unsigned long) (addr) - PAGE_OFFSET) >> 24) & 1)\
31 | ((((unsigned long) (addr) - PAGE_OFFSET) >> 25) & ~1))
32# else /* 2 banks per node */
33# define KVADDR_TO_NID(addr) \
34 (((unsigned long) (addr) - PAGE_OFFSET) >> 26)
35# endif
36
37/*
38 * Given a page frame number, convert it to a node id.
39 */
40
41# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE
42# define PFN_TO_NID(pfn) \
43 (((((pfn) - PHYS_PFN_OFFSET) >> (24 - PAGE_SHIFT)) & 1)\
44 | ((((pfn) - PHYS_PFN_OFFSET) >> (25 - PAGE_SHIFT)) & ~1))
45# else /* 2 banks per node */
46# define PFN_TO_NID(pfn) \
47 (((pfn) - PHYS_PFN_OFFSET) >> (26 - PAGE_SHIFT))
48#endif
49
50/*
51 * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory
52 * and returns the index corresponding to the appropriate page in the
53 * node's mem_map.
54 */
55
56# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE
57# define LOCAL_MAP_NR(addr) \
58 (((unsigned long)(addr) & 0x003fffff) >> PAGE_SHIFT)
59# else /* 2 banks per node */
60# define LOCAL_MAP_NR(addr) \
61 (((unsigned long)(addr) & 0x01ffffff) >> PAGE_SHIFT)
62# endif
63
64#endif
65
66/* 22/*
67 * Sparsemem version of the above 23 * Sparsemem version of the above
68 */ 24 */