Hi. When attempting to build the most recent kernel for my arm at91sam9G20 system, the build failed due to missing function declarations concerning kmap_atomic() and friends. The following patch fixed the build: <PATCH START> diff -uNr linux-2.6.33.1-vanilla/drivers/mmc/host/at91_mci.c linux-2.6.33.1-new/drivers/mmc/host/at91_mci.c --- linux-2.6.33.1-vanilla/drivers/mmc/host/at91_mci.c 2010-03-15 17:09:39.000000000 +0100 +++ linux-2.6.33.1-new/drivers/mmc/host/at91_mci.c 2010-03-21 22:24:06.889257314 +0100 @@ -65,6 +65,7 @@ #include <linux/dma-mapping.h> #include <linux/clk.h> #include <linux/atmel_pdc.h> +#include <linux/highmem.h> #include <linux/mmc/host.h> <PATCH END> Best Regards. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html