From: Dan Williams <dan.j.williams@xxxxxxxxx> The lack of common transparent-huge-page helpers for UML is becoming increasingly painful for fs/dax.c now that it is growing more pmd functionality. Add UML to the list of unsupported architectures. Cc: Jan Kara <jack@xxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Cc: Dave Chinner <david@xxxxxxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxx> Cc: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> [rez: squashed #ifdef removal into another patch in the series ] Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> --- fs/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/Kconfig b/fs/Kconfig index c2a377c..661931f 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -37,7 +37,7 @@ source "fs/f2fs/Kconfig" config FS_DAX bool "Direct Access (DAX) support" depends on MMU - depends on !(ARM || MIPS || SPARC) + depends on !(ARM || MIPS || SPARC || UML) help Direct Access (DAX) can be used on memory-backed block devices. If the block device supports DAX and the filesystem supports DAX, -- 2.7.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>