Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4e2e4124 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL 



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

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent f7f4786c

arch/microblaze/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -27,6 +27,9 @@ config SWAP 
config RWSEM_GENERIC_SPINLOCK

	def_bool y



config ZONE_DMA

	def_bool y



config RWSEM_XCHGADD_ALGORITHM

	bool

arch/microblaze/mm/init.c

+1 −5
Original line number Diff line number Diff line
@@ -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);

}