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OpenCloudOS-Kernel
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x86: change 64-bit __change_page_attr() to struct page 

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar 2008-01-30 13:34:02 +01:00
parent 34eff1d75b
commit 0d82494ebd
1 changed files with 4 additions and 4 deletions
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8
arch/x86/mm/pageattr_64.c
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@ -67,7 +67,7 @@ split_large_page(unsigned long address, pgprot_t ref_prot)
}
static int
__change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot)
__change_page_attr(unsigned long address, struct page *page, pgprot_t prot)
{
struct page *kpte_page;
pte_t *kpte;
@ -86,7 +86,7 @@ repeat:
prot = canon_pgprot(prot);
if (level == 4) {
set_pte(kpte, pfn_pte(pfn, prot));
set_pte(kpte, mk_pte(page, prot));
} else {
/*
* split_large_page will take the reference for this
@ -135,7 +135,7 @@ int change_page_attr_addr(unsigned long address, int numpages, pgprot_t prot)
unsigned long pfn = __pa(address) >> PAGE_SHIFT;
if (!kernel_map || pte_present(pfn_pte(0, prot))) {
err = __change_page_attr(address, pfn, prot);
err = __change_page_attr(address, pfn_to_page(pfn), prot);
if (err)
break;
}
@ -148,7 +148,7 @@ int change_page_attr_addr(unsigned long address, int numpages, pgprot_t prot)
addr2 = __START_KERNEL_map + __pa(address);
/* Make sure the kernel mappings stay executable */
prot2 = pte_pgprot(pte_mkexec(pfn_pte(0, prot)));
err = __change_page_attr(addr2, pfn, prot2);
err = __change_page_attr(addr2, pfn_to_page(pfn), prot2);
}
}
up_write(&init_mm.mmap_sem);