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yaml
---
r: 365365
b: refs/heads/master
c: 3160592
h: refs/heads/master
i:
  365363: bb93790
v: v3
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Jiang Liu authored and Linus Torvalds committed Apr 29, 2013
1 parent 2e4db66 commit 6727b2d
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Showing 3 changed files with 12 additions and 25 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7beb5987875bd633c0e10162fbdd4e35d266a9e1
refs/heads/master: 31605922613dfc59402cd6f3a1b019bc2138ff47
31 changes: 9 additions & 22 deletions trunk/arch/mips/mm/init.c
Original file line number Diff line number Diff line change
Expand Up @@ -77,10 +77,9 @@ EXPORT_SYMBOL_GPL(empty_zero_page);
/*
* Not static inline because used by IP27 special magic initialization code
*/
unsigned long setup_zero_pages(void)
void setup_zero_pages(void)
{
unsigned int order;
unsigned long size;
unsigned int order, i;
struct page *page;

if (cpu_has_vce)
Expand All @@ -94,15 +93,10 @@ unsigned long setup_zero_pages(void)

page = virt_to_page((void *)empty_zero_page);
split_page(page, order);
while (page < virt_to_page((void *)(empty_zero_page + (PAGE_SIZE << order)))) {
SetPageReserved(page);
page++;
}

size = PAGE_SIZE << order;
zero_page_mask = (size - 1) & PAGE_MASK;
for (i = 0; i < (1 << order); i++, page++)
mark_page_reserved(page);

return 1UL << order;
zero_page_mask = ((PAGE_SIZE << order) - 1) & PAGE_MASK;
}

#ifdef CONFIG_MIPS_MT_SMTC
Expand Down Expand Up @@ -380,7 +374,7 @@ void __init mem_init(void)
high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);

totalram_pages += free_all_bootmem();
totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */
setup_zero_pages(); /* Setup zeroed pages. */

reservedpages = ram = 0;
for (tmp = 0; tmp < max_low_pfn; tmp++)
Expand Down Expand Up @@ -440,30 +434,23 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end)
struct page *page = pfn_to_page(pfn);
void *addr = phys_to_virt(PFN_PHYS(pfn));

ClearPageReserved(page);
init_page_count(page);
memset(addr, POISON_FREE_INITMEM, PAGE_SIZE);
__free_page(page);
totalram_pages++;
free_reserved_page(page);
}
printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
}

#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
free_init_pages("initrd memory",
virt_to_phys((void *)start),
virt_to_phys((void *)end));
free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd");
}
#endif

void __init_refok free_initmem(void)
{
prom_free_prom_memory();
free_init_pages("unused kernel memory",
__pa_symbol(&__init_begin),
__pa_symbol(&__init_end));
free_initmem_default(POISON_FREE_INITMEM);
}

#ifndef CONFIG_MIPS_PGD_C0_CONTEXT
Expand Down
4 changes: 2 additions & 2 deletions trunk/arch/mips/sgi-ip27/ip27-memory.c
Original file line number Diff line number Diff line change
Expand Up @@ -457,7 +457,7 @@ void __init prom_free_prom_memory(void)
/* We got nothing to free here ... */
}

extern unsigned long setup_zero_pages(void);
extern void setup_zero_pages(void);

void __init paging_init(void)
{
Expand Down Expand Up @@ -492,7 +492,7 @@ void __init mem_init(void)
totalram_pages += free_all_bootmem_node(NODE_DATA(node));
}

totalram_pages -= setup_zero_pages(); /* This comes from node 0 */
setup_zero_pages(); /* This comes from node 0 */

codesize = (unsigned long) &_etext - (unsigned long) &_text;
datasize = (unsigned long) &_edata - (unsigned long) &_etext;
Expand Down

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