Commit 40171798 authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds
Browse files

unicore32: drop pte_file()-related helpers 



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

Signed-off-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3513006a

arch/unicore32/include/asm/pgtable-hwdef.h

+0 −1
Original line number Diff line number Diff line
@@ -44,7 +44,6 @@ 
#define PTE_TYPE_INVALID	(3 << 0)



#define PTE_PRESENT		(1 << 2)

#define PTE_FILE		(1 << 3)	/* only when !PRESENT */

#define PTE_YOUNG		(1 << 3)

#define PTE_DIRTY		(1 << 4)

#define PTE_CACHEABLE		(1 << 5)

arch/unicore32/include/asm/pgtable.h

+0 −14
Original line number Diff line number Diff line
@@ -283,20 +283,6 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; 
#define MAX_SWAPFILES_CHECK()	\

	BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > __SWP_TYPE_BITS)



/*

 * Encode and decode a file entry.  File entries are stored in the Linux

 * page tables as follows:

 *

 *   3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1

 *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0

 *   <----------------------- offset ----------------------> 1 0 0 0

 */

#define pte_file(pte)		(pte_val(pte) & PTE_FILE)

#define pte_to_pgoff(x)		(pte_val(x) >> 4)

#define pgoff_to_pte(x)		__pte(((x) << 4) | PTE_FILE)



#define PTE_FILE_MAX_BITS	28



/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */

/* FIXME: this is not correct */

#define kern_addr_valid(addr)	(1)

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