leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL

Browse Source 
We should use ZONE_DMA because all address space is dma-able.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2011-12-15 09:24:06 +01:00
parent f7f4786c75
commit 4e2e4124b7
2 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/microblaze/Kconfig
View File

@ -27,6 +27,9 @@ config SWAP
config RWSEM_GENERIC_SPINLOCK
def_bool y
config ZONE_DMA
def_bool y
config RWSEM_XCHGADD_ALGORITHM
bool

6
arch/microblaze/mm/init.c
View File

@ -58,11 +58,7 @@ static void __init paging_init(void)
/* Clean every zones */
memset(zones_size, 0, sizeof(zones_size));
/*
* old: we can DMA to/from any address.put all page into ZONE_DMA
* We use only ZONE_NORMAL
*/
zones_size[ZONE_NORMAL] = max_mapnr;
zones_size[ZONE_DMA] = max_mapnr;
free_area_init(zones_size);
}