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| author | Yinghai Lu <yinghai@kernel.org> | 2010-02-10 01:20:20 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-12 09:41:59 -0800 |
| commit | 08677214e318297f228237be0042aac754f48f1d (patch) | |
| tree | 6d03424f7e287fcf66136b44512328afb1aeee49 /include | |
| parent | c252a5bb1f57afb1e336d68085217727ca7b2134 (diff) | |
| download | lwn-08677214e318297f228237be0042aac754f48f1d.tar.gz lwn-08677214e318297f228237be0042aac754f48f1d.zip | |
x86: Make 64 bit use early_res instead of bootmem before slab
Finally we can use early_res to replace bootmem for x86_64 now.
Still can use CONFIG_NO_BOOTMEM to enable it or not.
-v2: fix 32bit compiling about MAX_DMA32_PFN
-v3: folded bug fix from LKML message below
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4B747239.4070907@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bootmem.h | 7 | ||||
| -rw-r--r-- | include/linux/mm.h | 5 | ||||
| -rw-r--r-- | include/linux/mmzone.h | 2 |
3 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index b10ec49ee2dd..266ab9291232 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -23,6 +23,7 @@ extern unsigned long max_pfn; extern unsigned long saved_max_pfn; #endif +#ifndef CONFIG_NO_BOOTMEM /* * node_bootmem_map is a map pointer - the bits represent all physical * memory pages (including holes) on the node. @@ -37,6 +38,7 @@ typedef struct bootmem_data { } bootmem_data_t; extern bootmem_data_t bootmem_node_data[]; +#endif extern unsigned long bootmem_bootmap_pages(unsigned long); @@ -46,6 +48,7 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat, unsigned long endpfn); extern unsigned long init_bootmem(unsigned long addr, unsigned long memend); +unsigned long free_all_memory_core_early(int nodeid); extern unsigned long free_all_bootmem_node(pg_data_t *pgdat); extern unsigned long free_all_bootmem(void); @@ -84,6 +87,10 @@ extern void *__alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal); +void *__alloc_bootmem_node_high(pg_data_t *pgdat, + unsigned long size, + unsigned long align, + unsigned long goal); extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size, unsigned long align, diff --git a/include/linux/mm.h b/include/linux/mm.h index 8b2fa8593c61..f2c5b3cee8a1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -12,6 +12,7 @@ #include <linux/prio_tree.h> #include <linux/debug_locks.h> #include <linux/mm_types.h> +#include <linux/range.h> struct mempolicy; struct anon_vma; @@ -1049,6 +1050,10 @@ extern void get_pfn_range_for_nid(unsigned int nid, extern unsigned long find_min_pfn_with_active_regions(void); extern void free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn); +int add_from_early_node_map(struct range *range, int az, + int nr_range, int nid); +void *__alloc_memory_core_early(int nodeid, u64 size, u64 align, + u64 goal, u64 limit); typedef int (*work_fn_t)(unsigned long, unsigned long, void *); extern void work_with_active_regions(int nid, work_fn_t work_fn, void *data); extern void sparse_memory_present_with_active_regions(int nid); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 30fe668c2542..eae8387b6007 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -620,7 +620,9 @@ typedef struct pglist_data { struct page_cgroup *node_page_cgroup; #endif #endif +#ifndef CONFIG_NO_BOOTMEM struct bootmem_data *bdata; +#endif #ifdef CONFIG_MEMORY_HOTPLUG /* * Must be held any time you expect node_start_pfn, node_present_pages |