diff options
| author | Helge Deller <[email protected]> | 2014-01-31 21:19:52 +0000 |
|---|---|---|
| committer | Helge Deller <[email protected]> | 2014-02-02 20:00:13 +0000 |
| commit | 9dabf60dc4abe6e06bebcc2ee46b4d76ec8741f2 (patch) | |
| tree | 93b98d806b1941b91ac3de04b7bd730103d3fab8 /arch/parisc/include/asm/pgtable.h | |
| parent | parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc (diff) | |
| download | kernel-9dabf60dc4abe6e06bebcc2ee46b4d76ec8741f2.tar.gz kernel-9dabf60dc4abe6e06bebcc2ee46b4d76ec8741f2.zip | |
parisc: add flexible mmap memory layout support
Add support for the flexible mmap memory layout (as described in
http://lwn.net/Articles/91829). This is especially very interesting on
parisc since we currently only support 32bit userspace (even with a
64bit Linux kernel).
Signed-off-by: Helge Deller <[email protected]>
Diffstat (limited to 'arch/parisc/include/asm/pgtable.h')
| -rw-r--r-- | arch/parisc/include/asm/pgtable.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index 34899b5d959a..22b89d1edba7 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -511,6 +511,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, /* We provide our own get_unmapped_area to provide cache coherency */ #define HAVE_ARCH_UNMAPPED_AREA +#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG #define __HAVE_ARCH_PTEP_GET_AND_CLEAR |