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| author | Bernd Schmidt <bernd.schmidt@analog.com> | 2008-01-27 18:39:16 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@analog.com> | 2008-01-27 18:39:16 +0800 |
| commit | b97b8a998397e8c64699559099fa9febffae2b4d (patch) | |
| tree | 689188b6336cf45b4391f5bc764878e342b9ac90 /arch/blackfin/mm | |
| parent | 2047e40d724d42928c0b5994a1568c1b738efdb7 (diff) | |
| download | linux-3.10-b97b8a998397e8c64699559099fa9febffae2b4d.tar.gz linux-3.10-b97b8a998397e8c64699559099fa9febffae2b4d.tar.bz2 linux-3.10-b97b8a998397e8c64699559099fa9febffae2b4d.zip | |
[Blackfin] arch: Initial checkin of the memory protection support.
Enable it with CONFIG_MPU.
Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/mm')
| -rw-r--r-- | arch/blackfin/mm/init.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c index e97ea8fc8dc..9f007cace6e 100644 --- a/arch/blackfin/mm/init.c +++ b/arch/blackfin/mm/init.c @@ -184,13 +184,15 @@ static __init void free_init_pages(const char *what, unsigned long begin, unsign #ifdef CONFIG_BLK_DEV_INITRD void __init free_initrd_mem(unsigned long start, unsigned long end) { +#ifndef CONFIG_MPU free_init_pages("initrd memory", start, end); +#endif } #endif void __init free_initmem(void) { -#ifdef CONFIG_RAMKERNEL +#if defined CONFIG_RAMKERNEL && !defined CONFIG_MPU free_init_pages("unused kernel memory", (unsigned long)(&__init_begin), (unsigned long)(&__init_end)); |