diff options
Diffstat (limited to 'mm/sparse.c')
| -rw-r--r-- | mm/sparse.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index 54f3940..52843a7 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -9,6 +9,8 @@ #include <linux/spinlock.h> #include <linux/vmalloc.h> #include <asm/dma.h> +#include <asm/pgalloc.h> +#include <asm/pgtable.h> /* * Permanent SPARSEMEM data: @@ -222,11 +224,10 @@ 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) +#ifndef CONFIG_SPARSEMEM_VMEMMAP +struct page __init *sparse_early_mem_map_populate(unsigned long pnum, int nid) { struct page *map; - struct mem_section *ms = __nr_to_section(pnum); - int nid = sparse_early_nid(ms); map = alloc_remap(nid, sizeof(struct page) * PAGES_PER_SECTION); if (map) @@ -239,10 +240,22 @@ static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum) map = alloc_bootmem_node(NODE_DATA(nid), sizeof(struct page) * PAGES_PER_SECTION); + return map; +} +#endif /* !CONFIG_SPARSEMEM_VMEMMAP */ + +struct page __init *sparse_early_mem_map_alloc(unsigned long pnum) +{ + struct page *map; + struct mem_section *ms = __nr_to_section(pnum); + int nid = sparse_early_nid(ms); + + map = sparse_early_mem_map_populate(pnum, nid); if (map) return map; - printk(KERN_WARNING "%s: allocation failed\n", __FUNCTION__); + printk(KERN_ERR "%s: sparsemem memory map backing failed " + "some memory will not be available.\n", __FUNCTION__); ms->section_mem_map = 0; return NULL; } |
