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authorJiang Liu <liuj97@gmail.com>2013-07-04 00:03:58 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 01:07:36 +0200
commitde4bcddc13be31c669fc74cd2b400e1e7a1fdbcf (patch)
tree4459e1e94c03e4f2c7396ddb517eedf9d2def134
parentmm/hexagon: prepare for removing num_physpages and simplify mem_init() (diff)
downloadlinux-de4bcddc13be31c669fc74cd2b400e1e7a1fdbcf.tar.xz
linux-de4bcddc13be31c669fc74cd2b400e1e7a1fdbcf.zip
mm/IA64: prepare for removing num_physpages and simplify mem_init()
Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/ia64/mm/contig.c11
-rw-r--r--arch/ia64/mm/discontig.c3
-rw-r--r--arch/ia64/mm/init.c27
3 files changed, 1 insertions, 40 deletions
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 67c59ebec899..e4a6a5366dea 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -295,14 +295,6 @@ find_memory (void)
alloc_per_cpu_data();
}
-static int count_pages(u64 start, u64 end, void *arg)
-{
- unsigned long *count = arg;
-
- *count += (end - start) >> PAGE_SHIFT;
- return 0;
-}
-
/*
* Set up the page tables.
*/
@@ -313,9 +305,6 @@ paging_init (void)
unsigned long max_dma;
unsigned long max_zone_pfns[MAX_NR_ZONES];
- num_physpages = 0;
- efi_memmap_walk(count_pages, &num_physpages);
-
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
#ifdef CONFIG_ZONE_DMA
max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index ae4db4bd6d97..58550b8f7d40 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -37,7 +37,6 @@ struct early_node_data {
struct ia64_node_data *node_data;
unsigned long pernode_addr;
unsigned long pernode_size;
- unsigned long num_physpages;
#ifdef CONFIG_ZONE_DMA
unsigned long num_dma_physpages;
#endif
@@ -732,7 +731,6 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
{
unsigned long end = start + len;
- mem_data[node].num_physpages += len >> PAGE_SHIFT;
#ifdef CONFIG_ZONE_DMA
if (start <= __pa(MAX_DMA_ADDRESS))
mem_data[node].num_dma_physpages +=
@@ -778,7 +776,6 @@ void __init paging_init(void)
#endif
for_each_online_node(node) {
- num_physpages += mem_data[node].num_physpages;
pfn_offset = mem_data[node].min_pfn;
#ifdef CONFIG_VIRTUAL_MEM_MAP
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index d141f7ea0be5..2d372b4c5f70 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -545,19 +545,6 @@ int __init register_active_ranges(u64 start, u64 len, int nid)
return 0;
}
-static int __init
-count_reserved_pages(u64 start, u64 end, void *arg)
-{
- unsigned long num_reserved = 0;
- unsigned long *count = arg;
-
- for (; start < end; start += PAGE_SIZE)
- if (PageReserved(virt_to_page(start)))
- ++num_reserved;
- *count += num_reserved;
- return 0;
-}
-
int
find_max_min_low_pfn (u64 start, u64 end, void *arg)
{
@@ -596,7 +583,6 @@ __setup("nolwsys", nolwsys_setup);
void __init
mem_init (void)
{
- long reserved_pages, codesize, datasize, initsize;
pg_data_t *pgdat;
int i;
@@ -624,18 +610,7 @@ mem_init (void)
if (pgdat->bdata->node_bootmem_map)
free_all_bootmem_node(pgdat);
- reserved_pages = 0;
- efi_memmap_walk(count_reserved_pages, &reserved_pages);
-
- codesize = (unsigned long) _etext - (unsigned long) _stext;
- datasize = (unsigned long) _edata - (unsigned long) _etext;
- initsize = (unsigned long) __init_end - (unsigned long) __init_begin;
-
- printk(KERN_INFO "Memory: %luk/%luk available (%luk code, %luk reserved, "
- "%luk data, %luk init)\n", nr_free_pages() << (PAGE_SHIFT - 10),
- num_physpages << (PAGE_SHIFT - 10), codesize >> 10,
- reserved_pages << (PAGE_SHIFT - 10), datasize >> 10, initsize >> 10);
-
+ mem_init_print_info(NULL);
/*
* For fsyscall entrpoints with no light-weight handler, use the ordinary