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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-07 17:40:33 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-16 10:57:35 +0100 |
commit | be370302742ff9948f2a42b15cb2ba174d97b930 (patch) | |
tree | 977bfa71c1e1483c22a40d85dfd3b233e5ac5d06 /arch/arm/include | |
parent | 7961239599de71130c852ecfa9a4140f3f60547b (diff) | |
download | kernel_samsung_smdk4412-be370302742ff9948f2a42b15cb2ba174d97b930.zip kernel_samsung_smdk4412-be370302742ff9948f2a42b15cb2ba174d97b930.tar.gz kernel_samsung_smdk4412-be370302742ff9948f2a42b15cb2ba174d97b930.tar.bz2 |
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/include')
-rw-r--r-- | arch/arm/include/asm/memory.h | 65 | ||||
-rw-r--r-- | arch/arm/include/asm/mmzone.h | 30 | ||||
-rw-r--r-- | arch/arm/include/asm/setup.h | 8 |
3 files changed, 3 insertions, 100 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 4312ee5..e263ec7 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -234,76 +234,11 @@ static inline __deprecated void *bus_to_virt(unsigned long x) * virt_to_page(k) convert a _valid_ virtual address to struct page * * virt_addr_valid(k) indicates whether a virtual address is valid */ -#ifndef CONFIG_DISCONTIGMEM - #define ARCH_PFN_OFFSET PHYS_PFN_OFFSET #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) -#define PHYS_TO_NID(addr) (0) - -#else /* CONFIG_DISCONTIGMEM */ - -/* - * This is more complex. We have a set of mem_map arrays spread - * around in memory. - */ -#include <linux/numa.h> - -#define arch_pfn_to_nid(pfn) PFN_TO_NID(pfn) -#define arch_local_page_offset(pfn, nid) LOCAL_MAP_NR((pfn) << PAGE_SHIFT) - -#define virt_to_page(kaddr) \ - (ADDR_TO_MAPBASE(kaddr) + LOCAL_MAP_NR(kaddr)) - -#define virt_addr_valid(kaddr) (KVADDR_TO_NID(kaddr) < MAX_NUMNODES) - -/* - * Common discontigmem stuff. - * PHYS_TO_NID is used by the ARM kernel/setup.c - */ -#define PHYS_TO_NID(addr) PFN_TO_NID((addr) >> PAGE_SHIFT) - -/* - * Given a kaddr, ADDR_TO_MAPBASE finds the owning node of the memory - * and returns the mem_map of that node. - */ -#define ADDR_TO_MAPBASE(kaddr) NODE_MEM_MAP(KVADDR_TO_NID(kaddr)) - -/* - * Given a page frame number, find the owning node of the memory - * and returns the mem_map of that node. - */ -#define PFN_TO_MAPBASE(pfn) NODE_MEM_MAP(PFN_TO_NID(pfn)) - -#ifdef NODE_MEM_SIZE_BITS -#define NODE_MEM_SIZE_MASK ((1 << NODE_MEM_SIZE_BITS) - 1) - -/* - * Given a kernel address, find the home node of the underlying memory. - */ -#define KVADDR_TO_NID(addr) \ - (((unsigned long)(addr) - PAGE_OFFSET) >> NODE_MEM_SIZE_BITS) - -/* - * Given a page frame number, convert it to a node id. - */ -#define PFN_TO_NID(pfn) \ - (((pfn) - PHYS_PFN_OFFSET) >> (NODE_MEM_SIZE_BITS - PAGE_SHIFT)) - -/* - * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory - * and returns the index corresponding to the appropriate page in the - * node's mem_map. - */ -#define LOCAL_MAP_NR(addr) \ - (((unsigned long)(addr) & NODE_MEM_SIZE_MASK) >> PAGE_SHIFT) - -#endif /* NODE_MEM_SIZE_BITS */ - -#endif /* !CONFIG_DISCONTIGMEM */ - /* * Optional coherency support. Currently used only by selected * Intel XSC3-based systems. diff --git a/arch/arm/include/asm/mmzone.h b/arch/arm/include/asm/mmzone.h deleted file mode 100644 index ae63a4f..0000000 --- a/arch/arm/include/asm/mmzone.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * arch/arm/include/asm/mmzone.h - * - * 1999-12-29 Nicolas Pitre Created - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_MMZONE_H -#define __ASM_MMZONE_H - -/* - * Currently defined in arch/arm/mm/discontig.c - */ -extern pg_data_t discontig_node_data[]; - -/* - * Return a pointer to the node data for node n. - */ -#define NODE_DATA(nid) (&discontig_node_data[nid]) - -/* - * NODE_MEM_MAP gives the kaddr for the mem_map of the node. - */ -#define NODE_MEM_MAP(nid) (NODE_DATA(nid)->node_mem_map) - -#include <mach/memory.h> - -#endif diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index f392fb4..f1e5a9b 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -201,8 +201,7 @@ static struct tagtable __tagtable_##fn __tag = { tag, fn } struct membank { unsigned long start; unsigned long size; - unsigned short node; - unsigned short highmem; + unsigned int highmem; }; struct meminfo { @@ -212,9 +211,8 @@ struct meminfo { extern struct meminfo meminfo; -#define for_each_nodebank(iter,mi,no) \ - for (iter = 0; iter < (mi)->nr_banks; iter++) \ - if ((mi)->bank[iter].node == no) +#define for_each_bank(iter,mi) \ + for (iter = 0; iter < (mi)->nr_banks; iter++) #define bank_pfn_start(bank) __phys_to_pfn((bank)->start) #define bank_pfn_end(bank) __phys_to_pfn((bank)->start + (bank)->size) |