diff options
| author | Hendrik Brueckner <brueckner@linux.vnet.ibm.com> | 2013-02-11 08:29:49 -0500 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-02-14 09:55:22 -0500 |
| commit | 486c0a0bc80d370471b21662bf03f04fbb37cdc6 (patch) | |
| tree | 29b538296d454871ba0b4dd9802e0e154eb2102b /arch/s390/include/asm/mman.h | |
| parent | a4e69245bd7793a620ed67442c00fa1f2dd56891 (diff) | |
s390/mm: Fix crst upgrade of mmap with MAP_FIXED
Right now the page table upgrade does not happen if the end address
of a fixed mapping is greater than TASK_SIZE.
Enhance s390_mmap_check() to handle MAP_FIXED mappings correctly.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/mman.h')
| -rw-r--r-- | arch/s390/include/asm/mman.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/include/asm/mman.h b/arch/s390/include/asm/mman.h index 0e47a576d666..9977e08df5bd 100644 --- a/arch/s390/include/asm/mman.h +++ b/arch/s390/include/asm/mman.h | |||
| @@ -9,7 +9,7 @@ | |||
| 9 | #include <uapi/asm/mman.h> | 9 | #include <uapi/asm/mman.h> |
| 10 | 10 | ||
| 11 | #if !defined(__ASSEMBLY__) && defined(CONFIG_64BIT) | 11 | #if !defined(__ASSEMBLY__) && defined(CONFIG_64BIT) |
| 12 | int s390_mmap_check(unsigned long addr, unsigned long len); | 12 | int s390_mmap_check(unsigned long addr, unsigned long len, unsigned long flags); |
| 13 | #define arch_mmap_check(addr,len,flags) s390_mmap_check(addr,len) | 13 | #define arch_mmap_check(addr, len, flags) s390_mmap_check(addr, len, flags) |
| 14 | #endif | 14 | #endif |
| 15 | #endif /* __S390_MMAN_H__ */ | 15 | #endif /* __S390_MMAN_H__ */ |