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Subject[patch 3/4] mm: Normalize internal argument passing of bootmem data
All _core functions only need the bootmem data, not the whole node
descriptor. Adjust the two functions that take the node descriptor
unneededly.

Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
CC: Ingo Molnar <mingo@elte.hu>
---

Index: linux-2.6/mm/bootmem.c
===================================================================
--- linux-2.6.orig/mm/bootmem.c
+++ linux-2.6/mm/bootmem.c
@@ -87,10 +87,9 @@ static unsigned long __init get_mapsize(
/*
* Called once to set up the allocator itself.
*/
-static unsigned long __init init_bootmem_core(pg_data_t *pgdat,
+static unsigned long __init init_bootmem_core(bootmem_data_t *bdata,
unsigned long mapstart, unsigned long start, unsigned long end)
{
- bootmem_data_t *bdata = pgdat->bdata;
unsigned long mapsize;

bdata->node_bootmem_map = phys_to_virt(PFN_PHYS(mapstart));
@@ -371,11 +370,10 @@ found:
return ret;
}

-static unsigned long __init free_all_bootmem_core(pg_data_t *pgdat)
+static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata)
{
struct page *page;
unsigned long pfn;
- bootmem_data_t *bdata = pgdat->bdata;
unsigned long i, count;
unsigned long idx;
unsigned long *map;
@@ -440,7 +438,7 @@ static unsigned long __init free_all_boo
unsigned long __init init_bootmem_node(pg_data_t *pgdat, unsigned long freepfn,
unsigned long startpfn, unsigned long endpfn)
{
- return init_bootmem_core(pgdat, freepfn, startpfn, endpfn);
+ return init_bootmem_core(pgdat->bdata, freepfn, startpfn, endpfn);
}

void __init reserve_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
@@ -463,14 +461,14 @@ void __init free_bootmem_node(pg_data_t
unsigned long __init free_all_bootmem_node(pg_data_t *pgdat)
{
register_page_bootmem_info_node(pgdat);
- return free_all_bootmem_core(pgdat);
+ return free_all_bootmem_core(pgdat->bdata);
}

unsigned long __init init_bootmem(unsigned long start, unsigned long pages)
{
max_low_pfn = pages;
min_low_pfn = start;
- return init_bootmem_core(NODE_DATA(0), start, 0, pages);
+ return init_bootmem_core(NODE_DATA(0)->bdata, start, 0, pages);
}

#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
@@ -501,7 +499,7 @@ void __init free_bootmem(unsigned long a

unsigned long __init free_all_bootmem(void)
{
- return free_all_bootmem_core(NODE_DATA(0));
+ return free_all_bootmem_core(NODE_DATA(0)->bdata);
}

void * __init __alloc_bootmem_nopanic(unsigned long size, unsigned long align,
--



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