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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-05-26 09:48:31 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2011-05-26 09:48:25 +0200
commit69dbb2f79a5626741a24770719406a4edb2cb84f (patch)
tree19a5fbada6286ea621096fdd09e9dde717565748 /arch/s390/mm
parent33ce614029576b8585e271fd7d90746a37114a15 (diff)
[S390] mm: add ZONE_DMA to 31-bit config again
Add ZONE_DMA to 31-bit config again. The performance gain is minimal and hardly anybody cares anymore about a 31-bit kernel. So add ZONE_DMA again to help with SLAB_CACHE_DMA removal for !CONFIG_ZONE_DMA configurations. Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch/s390/mm')
-rw-r--r--arch/s390/mm/init.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index dfefc2171691..59b663109d90 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -119,9 +119,7 @@ void __init paging_init(void)
sparse_memory_present_with_active_regions(MAX_NUMNODES);
sparse_init();
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
-#ifdef CONFIG_ZONE_DMA
max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS);
-#endif
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
free_area_init_nodes(max_zone_pfns);
fault_init();