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mm: remove __paginginit

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__paginginit is the same thing as __meminit except for platforms without
sparsemem, there it is defined as __init.

Remove __paginginit and use __meminit.  Use __ref in one single function
that merges __meminit and __init sections: setup_usemap().

Link: http://lkml.kernel.org/r/20180801122348.21588-4-osalvador@techadventures.net
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Pasha Tatashin <Pavel.Tatashin@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pavel Tatashin 2018-08-21 21:53:36 -07:00 committed by Linus Torvalds
parent c1093b746c
commit 7cc2a9596d
2 changed files with 10 additions and 21 deletions
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12
mm/internal.h
View File

@ -389,18 +389,6 @@ static inline struct page *mem_map_next(struct page *iter,
return iter + 1;
}
/*
* FLATMEM and DISCONTIGMEM configurations use alloc_bootmem_node,
* so all functions starting at paging_init should be marked __init
* in those cases. SPARSEMEM, however, allows for memory hotplug,
* and alloc_bootmem_node is not used.
*/
#ifdef CONFIG_SPARSEMEM
#define __paginginit __meminit
#else
#define __paginginit __init
#endif
/* Memory initialisation debug and verification */
enum mminit_level {
MMINIT_WARNING,

19
mm/page_alloc.c
View File

@ -6120,7 +6120,7 @@ static unsigned long __init usemap_size(unsigned long zone_start_pfn, unsigned l
return usemapsize / 8;
}
static void __init setup_usemap(struct pglist_data *pgdat,
static void __ref setup_usemap(struct pglist_data *pgdat,
struct zone *zone,
unsigned long zone_start_pfn,
unsigned long zonesize)
@ -6140,7 +6140,7 @@ static inline void setup_usemap(struct pglist_data *pgdat, struct zone *zone,
#ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE
/* Initialise the number of pages represented by NR_PAGEBLOCK_BITS */
void __paginginit set_pageblock_order(void)
void __meminit set_pageblock_order(void)
{
unsigned int order;
@ -6168,14 +6168,14 @@ void __paginginit set_pageblock_order(void)
* include/linux/pageblock-flags.h for the values of pageblock_order based on
* the kernel config
*/
void __paginginit set_pageblock_order(void)
void __meminit set_pageblock_order(void)
{
}
#endif /* CONFIG_HUGETLB_PAGE_SIZE_VARIABLE */
static unsigned long __paginginit calc_memmap_size(unsigned long spanned_pages,
unsigned long present_pages)
static unsigned long __meminit calc_memmap_size(unsigned long spanned_pages,
unsigned long present_pages)
{
unsigned long pages = spanned_pages;
@ -6233,7 +6233,7 @@ static void pgdat_init_kcompactd(struct pglist_data *pgdat) {}
*
* NOTE: pgdat should get zeroed by caller.
*/
static void __paginginit free_area_init_core(struct pglist_data *pgdat)
static void __meminit free_area_init_core(struct pglist_data *pgdat)
{
enum zone_type j;
int nid = pgdat->node_id;
@ -6364,8 +6364,9 @@ static void __ref alloc_node_mem_map(struct pglist_data *pgdat)
static void __ref alloc_node_mem_map(struct pglist_data *pgdat) { }
#endif /* CONFIG_FLAT_NODE_MEM_MAP */
void __paginginit free_area_init_node(int nid, unsigned long *zones_size,
unsigned long node_start_pfn, unsigned long *zholes_size)
void __meminit free_area_init_node(int nid, unsigned long *zones_size,
unsigned long node_start_pfn,
unsigned long *zholes_size)
{
pg_data_t *pgdat = NODE_DATA(nid);
unsigned long start_pfn = 0;
@ -6410,7 +6411,7 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size,
* may be accessed (for example page_to_pfn() on some configuration accesses
* flags). We must explicitly zero those struct pages.
*/
void __paginginit zero_resv_unavail(void)
void __meminit zero_resv_unavail(void)
{
phys_addr_t start, end;
unsigned long pfn;