diff options
Diffstat (limited to 'mm/sparse.c')
| -rw-r--r-- | mm/sparse.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index ac26eb0d73c..545e4d3afcd 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -44,7 +44,7 @@ EXPORT_SYMBOL(page_to_nid); #endif #ifdef CONFIG_SPARSEMEM_EXTREME -static struct mem_section *sparse_index_alloc(int nid) +static struct mem_section noinline __init_refok *sparse_index_alloc(int nid) { struct mem_section *section = NULL; unsigned long array_size = SECTIONS_PER_ROOT * @@ -61,7 +61,7 @@ static struct mem_section *sparse_index_alloc(int nid) return section; } -static int sparse_index_init(unsigned long section_nr, int nid) +static int __meminit sparse_index_init(unsigned long section_nr, int nid) { static DEFINE_SPINLOCK(index_init_lock); unsigned long root = SECTION_NR_TO_ROOT(section_nr); @@ -138,7 +138,7 @@ static inline int sparse_early_nid(struct mem_section *section) } /* Record a memory area against a node. */ -void memory_present(int nid, unsigned long start, unsigned long end) +void __init memory_present(int nid, unsigned long start, unsigned long end) { unsigned long pfn; @@ -197,7 +197,7 @@ struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pn return ((struct page *)coded_mem_map) + section_nr_to_pfn(pnum); } -static int sparse_init_one_section(struct mem_section *ms, +static int __meminit sparse_init_one_section(struct mem_section *ms, unsigned long pnum, struct page *mem_map) { if (!valid_section(ms)) @@ -209,7 +209,13 @@ static int sparse_init_one_section(struct mem_section *ms, return 1; } -static struct page *sparse_early_mem_map_alloc(unsigned long pnum) +__attribute__((weak)) +void *alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size) +{ + return NULL; +} + +static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum) { struct page *map; struct mem_section *ms = __nr_to_section(pnum); @@ -219,6 +225,11 @@ static struct page *sparse_early_mem_map_alloc(unsigned long pnum) if (map) return map; + map = alloc_bootmem_high_node(NODE_DATA(nid), + sizeof(struct page) * PAGES_PER_SECTION); + if (map) + return map; + map = alloc_bootmem_node(NODE_DATA(nid), sizeof(struct page) * PAGES_PER_SECTION); if (map) @@ -272,7 +283,7 @@ static void __kfree_section_memmap(struct page *memmap, unsigned long nr_pages) * Allocate the accumulated non-linear sections, allocate a mem_map * for each and record the physical to section mapping. */ -void sparse_init(void) +void __init sparse_init(void) { unsigned long pnum; struct page *map; @@ -288,6 +299,7 @@ void sparse_init(void) } } +#ifdef CONFIG_MEMORY_HOTPLUG /* * returns the number of sections whose mem_maps were properly * set. If this is <=0, then that means that the passed-in @@ -327,3 +339,4 @@ out: __kfree_section_memmap(memmap, nr_pages); return ret; } +#endif |