From 8139ae1995be14c4130b8102c8732df1bbcf4aeb Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Fri, 28 Jun 2013 09:51:57 +1000 Subject: [PATCH] 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 Cc: Hirokazu Takata Signed-off-by: Andrew Morton --- arch/m32r/mm/discontig.c | 6 +---- arch/m32r/mm/init.c | 49 ++++------------------------------------ 2 files changed, 6 insertions(+), 49 deletions(-) diff --git a/arch/m32r/mm/discontig.c b/arch/m32r/mm/discontig.c index 2c468e8b5853..27196303ce36 100644 --- a/arch/m32r/mm/discontig.c +++ b/arch/m32r/mm/discontig.c @@ -129,11 +129,10 @@ unsigned long __init setup_memory(void) #define START_PFN(nid) (NODE_DATA(nid)->bdata->node_min_pfn) #define MAX_LOW_PFN(nid) (NODE_DATA(nid)->bdata->node_low_pfn) -unsigned long __init zone_sizes_init(void) +void __init zone_sizes_init(void) { unsigned long zones_size[MAX_NR_ZONES], zholes_size[MAX_NR_ZONES]; unsigned long low, start_pfn; - unsigned long holes = 0; int nid, i; mem_prof_t *mp; @@ -147,7 +146,6 @@ unsigned long __init zone_sizes_init(void) low = MAX_LOW_PFN(nid); zones_size[ZONE_DMA] = low - start_pfn; zholes_size[ZONE_DMA] = mp->holes; - holes += zholes_size[ZONE_DMA]; node_set_state(nid, N_NORMAL_MEMORY); free_area_init_node(nid, zones_size, start_pfn, zholes_size); @@ -161,6 +159,4 @@ unsigned long __init zone_sizes_init(void) NODE_DATA(1)->node_zones->watermark[WMARK_MIN] = 0; NODE_DATA(1)->node_zones->watermark[WMARK_LOW] = 0; NODE_DATA(1)->node_zones->watermark[WMARK_HIGH] = 0; - - return holes; } diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c index a501838233ab..a4f8d934e25f 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); } /*======================================================================* -- 2.39.5