diff options
author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-02-09 18:24:35 +0100 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-02-09 18:24:40 +0100 |
commit | 146e4b3c8b92071b18f0b2e6f47165bad4f9e825 (patch) | |
tree | 7e9db61cacca0f55ce34db089f27fc22a56ebbdd /include/asm-s390/page.h | |
parent | 0c1f1dcd8c7792aeff6ef62e9508b0041928ab87 (diff) | |
download | linux-stable-146e4b3c8b92071b18f0b2e6f47165bad4f9e825.tar.gz linux-stable-146e4b3c8b92071b18f0b2e6f47165bad4f9e825.tar.bz2 linux-stable-146e4b3c8b92071b18f0b2e6f47165bad4f9e825.zip |
[S390] 1K/2K page table pages.
This patch implements 1K/2K page table pages for s390.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390/page.h')
-rw-r--r-- | include/asm-s390/page.h | 36 |
1 files changed, 5 insertions, 31 deletions
diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h index 7f29a981f48c..fe7f92b6ae6d 100644 --- a/include/asm-s390/page.h +++ b/include/asm-s390/page.h @@ -74,43 +74,17 @@ static inline void copy_page(void *to, void *from) typedef struct { unsigned long pgprot; } pgprot_t; typedef struct { unsigned long pte; } pte_t; - -#define pte_val(x) ((x).pte) -#define pgprot_val(x) ((x).pgprot) - -#ifndef __s390x__ - typedef struct { unsigned long pmd; } pmd_t; typedef struct { unsigned long pud; } pud_t; -typedef struct { - unsigned long pgd0; - unsigned long pgd1; - unsigned long pgd2; - unsigned long pgd3; - } pgd_t; - -#define pmd_val(x) ((x).pmd) -#define pud_val(x) ((x).pud) -#define pgd_val(x) ((x).pgd0) - -#else /* __s390x__ */ - -typedef struct { - unsigned long pmd0; - unsigned long pmd1; - } pmd_t; -typedef struct { unsigned long pud; } pud_t; typedef struct { unsigned long pgd; } pgd_t; +typedef pte_t *pgtable_t; -#define pmd_val(x) ((x).pmd0) -#define pmd_val1(x) ((x).pmd1) +#define pgprot_val(x) ((x).pgprot) +#define pte_val(x) ((x).pte) +#define pmd_val(x) ((x).pmd) #define pud_val(x) ((x).pud) #define pgd_val(x) ((x).pgd) -#endif /* __s390x__ */ - -typedef struct page *pgtable_t; - #define __pte(x) ((pte_t) { (x) } ) #define __pmd(x) ((pmd_t) { (x) } ) #define __pgd(x) ((pgd_t) { (x) } ) @@ -167,7 +141,7 @@ static inline int pfn_valid(unsigned long pfn) #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) -#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ +#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include <asm-generic/memory_model.h> |