GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

parisc: add flexible mmap memory layout support

Browse source 
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 <deller@gmx.de>
This commit is contained in:
Helge Deller 2014-01-31 22:19:52 +01:00
parent f5a408d53e
commit 9dabf60dc4
6 changed files with 243 additions and 53 deletions
Download patch file Download diff file Expand all files Collapse all files

2
arch/parisc/include/asm/processor.h
View file

@ -30,6 +30,8 @@
#endif
#define current_text_addr() ({ void *pc; current_ia(pc); pc; })
#define HAVE_ARCH_PICK_MMAP_LAYOUT
#define TASK_SIZE_OF(tsk) ((tsk)->thread.task_size)
#define TASK_SIZE TASK_SIZE_OF(current)
#define TASK_UNMAPPED_BASE (current->thread.map_base)