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authorNicolas Saenz Julienne <nsaenzjulienne@suse.de>2019-10-14 21:31:03 +0300
committerCatalin Marinas <catalin.marinas@arm.com>2019-11-01 12:41:18 +0300
commit8b5369ea580964dbc982781bfb9fb93459fc5e8d (patch)
tree55f4d7308e5fb1f4c5df396e637ba08bfa2daf46 /arch/arm64/include
parent4686da5140c18c84ca01a8ab994571d832c63398 (diff)
downloadlinux-8b5369ea580964dbc982781bfb9fb93459fc5e8d.tar.xz
dma/direct: turn ARCH_ZONE_DMA_BITS into a variable
Some architectures, notably ARM, are interested in tweaking this depending on their runtime DMA addressing limitations. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/page.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h
index 7b8c98830101..d39ddb258a04 100644
--- a/arch/arm64/include/asm/page.h
+++ b/arch/arm64/include/asm/page.h
@@ -38,6 +38,4 @@ extern int pfn_valid(unsigned long);
#include <asm-generic/getorder.h>
-#define ARCH_ZONE_DMA_BITS 30
-
#endif