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| author | Jiang Liu <liuj97@gmail.com> | 2013-07-03 15:03:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 16:07:36 -0700 |
| commit | a0e7b805cd337d387373d197aa15d61a853e5ed7 (patch) | |
| tree | 0e10d6286324c4ed191e4100ee67a36d2db05afb /arch/m32r/mm/init.c | |
| parent | de4bcddc13be31c669fc74cd2b400e1e7a1fdbcf (diff) | |
| download | op-kernel-dev-a0e7b805cd337d387373d197aa15d61a853e5ed7.zip op-kernel-dev-a0e7b805cd337d387373d197aa15d61a853e5ed7.tar.gz | |
mm/m32r: 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: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m32r/mm/init.c')
| -rw-r--r-- | arch/m32r/mm/init.c | 49 |
1 files changed, 5 insertions, 44 deletions
diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c index a501838..a4f8d93 100644 --- a/arch/m32r/mm/init.c +++ b/arch/m32r/mm/init.c @@ -40,7 +40,6 @@ unsigned long mmu_context_cache_dat; #else unsigned long mmu_context_cache_dat[NR_CPUS]; #endif -static unsigned long hole_pages; /* * function prototype @@ -57,7 +56,7 @@ void free_initrd_mem(unsigned long, unsigned long); #define MAX_LOW_PFN(nid) (NODE_DATA(nid)->bdata->node_low_pfn) #ifndef CONFIG_DISCONTIGMEM -unsigned long __init zone_sizes_init(void) +void __init zone_sizes_init(void) { unsigned long zones_size[MAX_NR_ZONES] = {0, }; unsigned long max_dma; @@ -83,11 +82,9 @@ unsigned long __init zone_sizes_init(void) #endif /* CONFIG_MMU */ free_area_init_node(0, zones_size, start_pfn, 0); - - return 0; } #else /* CONFIG_DISCONTIGMEM */ -extern unsigned long zone_sizes_init(void); +extern void zone_sizes_init(void); #endif /* CONFIG_DISCONTIGMEM */ /*======================================================================* @@ -105,24 +102,7 @@ void __init paging_init(void) for (i = 0 ; i < USER_PTRS_PER_PGD * 2 ; i++) pgd_val(pg_dir[i]) = 0; #endif /* CONFIG_MMU */ - hole_pages = zone_sizes_init(); -} - -int __init reservedpages_count(void) -{ - int reservedpages, nid, i; - - reservedpages = 0; - for_each_online_node(nid) { - unsigned long flags; - pgdat_resize_lock(NODE_DATA(nid), &flags); - for (i = 0 ; i < MAX_LOW_PFN(nid) - START_PFN(nid) ; i++) - if (PageReserved(nid_page_nr(nid, i))) - reservedpages++; - pgdat_resize_unlock(NODE_DATA(nid), &flags); - } - - return reservedpages; + zone_sizes_init(); } /*======================================================================* @@ -131,20 +111,13 @@ int __init reservedpages_count(void) *======================================================================*/ void __init mem_init(void) { - int codesize, reservedpages, datasize, initsize; int nid; #ifndef CONFIG_MMU extern unsigned long memory_end; #endif - num_physpages = 0; - for_each_online_node(nid) - num_physpages += MAX_LOW_PFN(nid) - START_PFN(nid) + 1; - - num_physpages -= hole_pages; - #ifndef CONFIG_DISCONTIGMEM - max_mapnr = num_physpages; + max_mapnr = get_num_physpages(); #endif /* CONFIG_DISCONTIGMEM */ #ifdef CONFIG_MMU @@ -160,19 +133,7 @@ void __init mem_init(void) for_each_online_node(nid) free_all_bootmem_node(NODE_DATA(nid)); - reservedpages = reservedpages_count() - hole_pages; - codesize = (unsigned long) &_etext - (unsigned long)&_text; - datasize = (unsigned long) &_edata - (unsigned long)&_etext; - initsize = (unsigned long) &__init_end - (unsigned long)&__init_begin; - - printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, " - "%dk reserved, %dk data, %dk init)\n", - nr_free_pages() << (PAGE_SHIFT-10), - num_physpages << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10); + mem_init_print_info(NULL); } /*======================================================================* |
