diff options
| author | Shiraz Hashim <shashim@codeaurora.org> | 2017-02-07 06:54:35 +0530 |
|---|---|---|
| committer | Shiraz Hashim <shashim@codeaurora.org> | 2017-02-08 16:12:16 +0530 |
| commit | f7abb9acbdc23c9d62bb4f230453633debb58c22 (patch) | |
| tree | 128e230d52002165a9c1cea133539e7a66c63f61 /arch/arm/include/asm/cacheflush.h | |
| parent | 154827ce276d975630d250fcf72877a4d927f200 (diff) | |
arm: mm: add missing pieces for CONFIG_FREE_PAGES_RDONLY
CONFIG_FREE_PAGES_RDONLY, which marks freed kernel pages
as read-only missed the Kconfig and an interface to mark
pages as read-only for 32 bit system. Add them.
Change-Id: Ibb5020a44323fb50febd66e16ca448da8ecb352c
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>
Diffstat (limited to 'arch/arm/include/asm/cacheflush.h')
| -rw-r--r-- | arch/arm/include/asm/cacheflush.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 2005a47b491e..2e2d1657e604 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -539,4 +539,13 @@ static inline void secure_flush_area(const void *addr, size_t size) outer_flush_range(phys, phys + size); } +#ifdef CONFIG_FREE_PAGES_RDONLY +#define mark_addr_rdonly(a) set_memory_ro((unsigned long)a, 1) +#define mark_addr_rdwrite(a) set_memory_rw((unsigned long)a, 1) +#else +#define mark_addr_rdonly(a) +#define mark_addr_rdwrite(a) +#endif + + #endif |