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| author | Igor Mammedov <niallain@gmail.com> | 2008-04-29 01:08:21 +0200 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-04-29 01:08:21 +0200 |
| commit | e9f20d6f03e8df393b001dab6dc5226c2a5daf57 (patch) | |
| tree | 73e94fa5e4f83576c97e36187b809c5aad2ade30 /include/asm-s390/pgtable.h | |
| parent | [CIFS] fixed compatibility issue with samba refferal request (diff) | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| download | linux-e9f20d6f03e8df393b001dab6dc5226c2a5daf57.tar.xz linux-e9f20d6f03e8df393b001dab6dc5226c2a5daf57.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-s390/pgtable.h')
| -rw-r--r-- | include/asm-s390/pgtable.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h index 4c0698c0dda5..f8347ce9c5a1 100644 --- a/include/asm-s390/pgtable.h +++ b/include/asm-s390/pgtable.h @@ -220,6 +220,8 @@ extern char empty_zero_page[PAGE_SIZE]; /* Software bits in the page table entry */ #define _PAGE_SWT 0x001 /* SW pte type bit t */ #define _PAGE_SWX 0x002 /* SW pte type bit x */ +#define _PAGE_SPECIAL 0x004 /* SW associated with special page */ +#define __HAVE_ARCH_PTE_SPECIAL /* Six different types of pages. */ #define _PAGE_TYPE_EMPTY 0x400 @@ -518,6 +520,11 @@ static inline int pte_file(pte_t pte) return (pte_val(pte) & mask) == _PAGE_TYPE_FILE; } +static inline int pte_special(pte_t pte) +{ + return (pte_val(pte) & _PAGE_SPECIAL); +} + #define __HAVE_ARCH_PTE_SAME #define pte_same(a,b) (pte_val(a) == pte_val(b)) @@ -715,6 +722,12 @@ static inline pte_t pte_mkyoung(pte_t pte) return pte; } +static inline pte_t pte_mkspecial(pte_t pte) +{ + pte_val(pte) |= _PAGE_SPECIAL; + return pte; +} + #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) |