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powerpc: Replace find_linux_pte with find_linux_pte_or_hugepte

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Replace find_linux_pte with find_linux_pte_or_hugepte and explicitly
document why we don't need to handle transparent hugepages at callsites.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Aneesh Kumar K.V
2013-06-20 14:30:18 +05:30
committed by Benjamin Herrenschmidt
parent ac52ae4721
commit 12bc9f6fc1
7 changed files with 36 additions and 33 deletions
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7
arch/powerpc/kernel/eeh.c
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@@ -260,10 +260,15 @@ static inline unsigned long eeh_token_to_phys(unsigned long token)
{
pte_t *ptep;
unsigned long pa;
int hugepage_shift;
ptep = find_linux_pte(init_mm.pgd, token);
/*
* We won't find hugepages here, iomem
*/
ptep = find_linux_pte_or_hugepte(init_mm.pgd, token, &hugepage_shift);
if (!ptep)
return token;
WARN_ON(hugepage_shift);
pa = pte_pfn(*ptep) << PAGE_SHIFT;
return pa | (token & (PAGE_SIZE-1));