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: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/unicore32/include/asm/pgtable-hwdef.h b/arch/unicore32/include/asm/pgtable-hwdef.h
index 7314e85..e37fa47 100644
--- a/arch/unicore32/include/asm/pgtable-hwdef.h
+++ b/arch/unicore32/include/asm/pgtable-hwdef.h
@@ -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)
diff --git a/arch/unicore32/include/asm/pgtable.h b/arch/unicore32/include/asm/pgtable.h
index ed6f7d0..818d0f5 100644
--- a/arch/unicore32/include/asm/pgtable.h
+++ b/arch/unicore32/include/asm/pgtable.h
@@ -283,20 +283,6 @@
#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)
