[dm-devel] [PATCH 03/15] dm: make EBS depend on !HIGHMEM

[Christoph Hellwig]

__ebs_rw_bvec use page_address on the submitted bios data, and thus
can't deal with highmem.  Disable the target on highmem configs.

Signed-off-by: Christoph Hellwig <hch at lst.de>
---
 drivers/md/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 0602e82a9516..ecc559c60d40 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -340,7 +340,7 @@ config DM_WRITECACHE
 
 config DM_EBS
 	tristate "Emulated block size target (EXPERIMENTAL)"
-	depends on BLK_DEV_DM
+	depends on BLK_DEV_DM && !HIGHMEM
 	select DM_BUFIO
 	help
 	  dm-ebs emulates smaller logical block size on backing devices
-- 
2.30.2