ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects alignment. Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/core/buffer.c | 8 ++++---- drivers/usb/misc/usbtest.c | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index fbb087b728dc..e21d8d106977 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -34,13 +34,13 @@ void __init usb_init_pool_max(void) { /* * The pool_max values must never be smaller than - * ARCH_KMALLOC_MINALIGN. + * ARCH_DMA_MINALIGN. */ - if (ARCH_KMALLOC_MINALIGN <= 32) + if (ARCH_DMA_MINALIGN <= 32) ; /* Original value is okay */ - else if (ARCH_KMALLOC_MINALIGN <= 64) + else if (ARCH_DMA_MINALIGN <= 64) pool_max[0] = 64; - else if (ARCH_KMALLOC_MINALIGN <= 128) + else if (ARCH_DMA_MINALIGN <= 128) pool_max[0] = 0; /* Don't use this pool */ else BUILD_BUG(); /* We don't allow this */ diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 150090ee4ec1..e13f7f6904ff 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -378,7 +378,7 @@ static void simple_fill_buf(struct urb *urb) static inline unsigned long buffer_offset(void *buf) { - return (unsigned long)buf & (ARCH_KMALLOC_MINALIGN - 1); + return (unsigned long)buf & (ARCH_DMA_MINALIGN - 1); } static int check_guard_bytes(struct usbtest_dev *tdev, struct urb *urb)