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powerpc: drop _PAGE_FILE and pte_file()-related helpers

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We've replaced remap_file_pages(2) implementation with emulation.  Nobody
creates non-linear mapping anymore.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov
2015-02-16 16:00:18 -08:00
committed by Linus Torvalds
parent 160cc26663
commit 780fc5642f
11 changed files with 4 additions and 26 deletions
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2
arch/powerpc/mm/pgtable_64.c
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@@ -782,7 +782,7 @@ pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot)
{
pmd_t pmd;
/*
* For a valid pte, we would have _PAGE_PRESENT or _PAGE_FILE always
* For a valid pte, we would have _PAGE_PRESENT always
* set. We use this to check THP page at pmd level.
* leaf pte for huge page, bottom two bits != 00
*/