The patch titled
Subject: nios2: drop _PAGE_FILE and pte_file()-related helpers
has been added to the -mm tree. Its filename is
nios2-drop-_page_file-and-pte_file-related-helpers.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/nios2-drop-_page_file-and-pte_file-related-helpers.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/nios2-drop-_page_file-and-pte_file-related-helpers.patch
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From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: nios2: drop _PAGE_FILE and 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@xxxxxxxxxxxxxxx>
Cc: Ley Foon Tan <lftan@xxxxxxxxxx>
Reviewed-by: Tobias Klauser <tklauser@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/nios2/include/asm/pgtable-bits.h | 1 -
arch/nios2/include/asm/pgtable.h | 10 +---------
2 files changed, 1 insertion(+), 10 deletions(-)
diff -puN arch/nios2/include/asm/pgtable-bits.h~nios2-drop-_page_file-and-pte_file-related-helpers arch/nios2/include/asm/pgtable-bits.h
--- a/arch/nios2/include/asm/pgtable-bits.h~nios2-drop-_page_file-and-pte_file-related-helpers
+++ a/arch/nios2/include/asm/pgtable-bits.h
@@ -30,6 +30,5 @@
#define _PAGE_PRESENT (1<<25) /* PTE contains a translation */
#define _PAGE_ACCESSED (1<<26) /* page referenced */
#define _PAGE_DIRTY (1<<27) /* dirty page */
-#define _PAGE_FILE (1<<28) /* PTE used for file mapping or swap */
#endif /* _ASM_NIOS2_PGTABLE_BITS_H */
diff -puN arch/nios2/include/asm/pgtable.h~nios2-drop-_page_file-and-pte_file-related-helpers arch/nios2/include/asm/pgtable.h
--- a/arch/nios2/include/asm/pgtable.h~nios2-drop-_page_file-and-pte_file-related-helpers
+++ a/arch/nios2/include/asm/pgtable.h
@@ -112,8 +112,6 @@ static inline int pte_dirty(pte_t pte)
{ return pte_val(pte) & _PAGE_DIRTY; }
static inline int pte_young(pte_t pte) \
{ return pte_val(pte) & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte) \
- { return pte_val(pte) & _PAGE_FILE; }
static inline int pte_special(pte_t pte) { return 0; }
#define pgprot_noncached pgprot_noncached
@@ -272,8 +270,7 @@ static inline void pte_clear(struct mm_s
__FILE__, __LINE__, pgd_val(e))
/*
- * Encode and decode a swap entry (must be !pte_none(pte) && !pte_present(pte)
- * && !pte_file(pte)):
+ * Encode and decode a swap entry (must be !pte_none(pte) && !pte_present(pte):
*
* 31 30 29 28 27 26 25 24 23 22 21 20 19 18 ... 1 0
* 0 0 0 0 type. 0 0 0 0 0 0 offset.........
@@ -290,11 +287,6 @@ static inline void pte_clear(struct mm_s
#define __swp_entry_to_pte(swp) ((pte_t) { (swp).val })
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
-/* Encode and decode a nonlinear file mapping entry */
-#define PTE_FILE_MAX_BITS 25
-#define pte_to_pgoff(pte) (pte_val(pte) & 0x1ffffff)
-#define pgoff_to_pte(off) __pte(((off) & 0x1ffffff) | _PAGE_FILE)
-
#define kern_addr_valid(addr) (1)
#include <asm-generic/pgtable.h>
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
mm-protect-set_page_dirty-from-ongoing-truncation.patch
mm-replace-remap_file_pages-syscall-with-emulation.patch
mm-drop-support-of-non-linear-mapping-from-unmap-zap-codepath.patch
mm-drop-support-of-non-linear-mapping-from-fault-codepath.patch
mm-drop-vm_ops-remap_pages-and-generic_file_remap_pages-stub.patch
proc-drop-handling-non-linear-mappings.patch
rmap-drop-support-of-non-linear-mappings.patch
mm-replace-vma-shareadlinear-with-vma-shared.patch
mm-remove-rest-usage-of-vm_nonlinear-and-pte_file.patch
asm-generic-drop-unused-pte_file-helpers.patch
alpha-drop-_page_file-and-pte_file-related-helpers.patch
arc-drop-_page_file-and-pte_file-related-helpers.patch
arm64-drop-pte_file-and-pte_file-related-helpers.patch
arm-drop-l_pte_file-and-pte_file-related-helpers.patch
avr32-drop-_page_file-and-pte_file-related-helpers.patch
blackfin-drop-pte_file.patch
c6x-drop-pte_file.patch
cris-drop-_page_file-and-pte_file-related-helpers.patch
frv-drop-_page_file-and-pte_file-related-helpers.patch
hexagon-drop-_page_file-and-pte_file-related-helpers.patch
ia64-drop-_page_file-and-pte_file-related-helpers.patch
m32r-drop-_page_file-and-pte_file-related-helpers.patch
m68k-drop-_page_file-and-pte_file-related-helpers.patch
metag-drop-_page_file-and-pte_file-related-helpers.patch
microblaze-drop-_page_file-and-pte_file-related-helpers.patch
mips-drop-_page_file-and-pte_file-related-helpers.patch
mn10300-drop-_page_file-and-pte_file-related-helpers.patch
nios2-drop-_page_file-and-pte_file-related-helpers.patch
openrisc-drop-_page_file-and-pte_file-related-helpers.patch
parisc-drop-_page_file-and-pte_file-related-helpers.patch
powerpc-drop-_page_file-and-pte_file-related-helpers.patch
s390-drop-pte_file-related-helpers.patch
score-drop-_page_file-and-pte_file-related-helpers.patch
sh-drop-_page_file-and-pte_file-related-helpers.patch
sparc-drop-pte_file-related-helpers.patch
tile-drop-pte_file-related-helpers.patch
um-drop-_page_file-and-pte_file-related-helpers.patch
unicore32-drop-pte_file-related-helpers.patch
x86-drop-_page_file-and-pte_file-related-helpers.patch
xtensa-drop-_page_file-and-pte_file-related-helpers.patch
mm-memory-remove-vm_file-check-on-shared-writable-vmas.patch
mm-memory-merge-shared-writable-dirtying-branches-in-do_wp_page.patch
mm-add-fields-for-compound-destructor-and-order-into-struct-page.patch
mm-add-vm_bug_on_page-for-page_mapcount.patch
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