Fix section mismatch of memory hotplug related code.
This is to fix many section mismatches of code related to memory hotplug.
I checked compile with memory hotplug on/off on ia64 and x86-64 box.
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 872da7a..9484444 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -693,6 +693,7 @@
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}
+#ifdef CONFIG_MEMORY_HOTPLUG
pg_data_t *arch_alloc_nodedata(int nid)
{
unsigned long size = compute_pernodesize(nid);
@@ -710,3 +711,4 @@
pgdat_list[update_node] = update_pgdat;
scatter_node_data();
}
+#endif
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index c082268..1336da8 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -172,7 +172,7 @@
set_pte_phys(address, phys, prot);
}
-unsigned long __initdata table_start, table_end;
+unsigned long __meminitdata table_start, table_end;
static __meminit void *alloc_low_page(unsigned long *phys)
{
@@ -204,7 +204,7 @@
}
/* Must run before zap_low_mappings */
-__init void *early_ioremap(unsigned long addr, unsigned long size)
+__meminit void *early_ioremap(unsigned long addr, unsigned long size)
{
unsigned long vaddr;
pmd_t *pmd, *last_pmd;
@@ -233,7 +233,7 @@
}
/* To avoid virtual aliases later */
-__init void early_iounmap(void *addr, unsigned long size)
+__meminit void early_iounmap(void *addr, unsigned long size)
{
unsigned long vaddr;
pmd_t *pmd;
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 8fcd6a1..4dd0dab 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -228,7 +228,7 @@
return 0;
}
-int acpi_get_pxm(acpi_handle h)
+int __meminit acpi_get_pxm(acpi_handle h)
{
unsigned long pxm;
acpi_status status;
@@ -246,7 +246,7 @@
}
EXPORT_SYMBOL(acpi_get_pxm);
-int acpi_get_node(acpi_handle *handle)
+int __meminit acpi_get_node(acpi_handle *handle)
{
int pxm, node = -1;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5916431..fd77451 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -103,7 +103,7 @@
unsigned long __meminitdata nr_kernel_pages;
unsigned long __meminitdata nr_all_pages;
-static unsigned long __initdata dma_reserve;
+static unsigned long __meminitdata dma_reserve;
#ifdef CONFIG_ARCH_POPULATES_NODE_MAP
/*
@@ -126,10 +126,10 @@
#endif
#endif
- struct node_active_region __initdata early_node_map[MAX_ACTIVE_REGIONS];
- int __initdata nr_nodemap_entries;
- unsigned long __initdata arch_zone_lowest_possible_pfn[MAX_NR_ZONES];
- unsigned long __initdata arch_zone_highest_possible_pfn[MAX_NR_ZONES];
+ struct node_active_region __meminitdata early_node_map[MAX_ACTIVE_REGIONS];
+ int __meminitdata nr_nodemap_entries;
+ unsigned long __meminitdata arch_zone_lowest_possible_pfn[MAX_NR_ZONES];
+ unsigned long __meminitdata arch_zone_highest_possible_pfn[MAX_NR_ZONES];
#ifdef CONFIG_MEMORY_HOTPLUG_RESERVE
unsigned long __initdata node_boundary_start_pfn[MAX_NUMNODES];
unsigned long __initdata node_boundary_end_pfn[MAX_NUMNODES];
@@ -2267,7 +2267,7 @@
* Basic iterator support. Return the first range of PFNs for a node
* Note: nid == MAX_NUMNODES returns first region regardless of node
*/
-static int __init first_active_region_index_in_nid(int nid)
+static int __meminit first_active_region_index_in_nid(int nid)
{
int i;
@@ -2282,7 +2282,7 @@
* Basic iterator support. Return the next active range of PFNs for a node
* Note: nid == MAX_NUMNODES returns next region regardles of node
*/
-static int __init next_active_region_index_in_nid(int index, int nid)
+static int __meminit next_active_region_index_in_nid(int index, int nid)
{
for (index = index + 1; index < nr_nodemap_entries; index++)
if (nid == MAX_NUMNODES || early_node_map[index].nid == nid)
@@ -2435,7 +2435,7 @@
* with no available memory, a warning is printed and the start and end
* PFNs will be 0.
*/
-void __init get_pfn_range_for_nid(unsigned int nid,
+void __meminit get_pfn_range_for_nid(unsigned int nid,
unsigned long *start_pfn, unsigned long *end_pfn)
{
int i;
@@ -2460,7 +2460,7 @@
* Return the number of pages a zone spans in a node, including holes
* present_pages = zone_spanned_pages_in_node() - zone_absent_pages_in_node()
*/
-unsigned long __init zone_spanned_pages_in_node(int nid,
+unsigned long __meminit zone_spanned_pages_in_node(int nid,
unsigned long zone_type,
unsigned long *ignored)
{
@@ -2488,7 +2488,7 @@
* Return the number of holes in a range on a node. If nid is MAX_NUMNODES,
* then all holes in the requested range will be accounted for.
*/
-unsigned long __init __absent_pages_in_range(int nid,
+unsigned long __meminit __absent_pages_in_range(int nid,
unsigned long range_start_pfn,
unsigned long range_end_pfn)
{
@@ -2548,7 +2548,7 @@
}
/* Return the number of page frames in holes in a zone on a node */
-unsigned long __init zone_absent_pages_in_node(int nid,
+unsigned long __meminit zone_absent_pages_in_node(int nid,
unsigned long zone_type,
unsigned long *ignored)
{
@@ -2584,7 +2584,7 @@
#endif
-static void __init calculate_node_totalpages(struct pglist_data *pgdat,
+static void __meminit calculate_node_totalpages(struct pglist_data *pgdat,
unsigned long *zones_size, unsigned long *zholes_size)
{
unsigned long realtotalpages, totalpages = 0;
@@ -2692,7 +2692,7 @@
}
}
-static void __init alloc_node_mem_map(struct pglist_data *pgdat)
+static void __meminit alloc_node_mem_map(struct pglist_data *pgdat)
{
/* Skip empty nodes */
if (!pgdat->node_spanned_pages)
diff --git a/mm/sparse.c b/mm/sparse.c
index 893e562..9079afe 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -61,7 +61,7 @@
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 @@
}
/* 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 @@
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 +209,7 @@
return 1;
}
-static struct page *sparse_early_mem_map_alloc(unsigned long pnum)
+static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
{
struct page *map;
struct mem_section *ms = __nr_to_section(pnum);
@@ -288,6 +288,7 @@
}
}
+#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 +328,4 @@
__kfree_section_memmap(memmap, nr_pages);
return ret;
}
+#endif