Messages in this thread | | | Date | Mon, 5 Aug 2013 17:05:34 +0800 | From | Xishi Qiu <> | Subject | Re: [PATCH 1/2] cma: use macro PFN_DOWN when converting size to pages |
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On 2013/8/5 16:54, Greg Kroah-Hartman wrote:
> On Mon, Aug 05, 2013 at 04:31:00PM +0800, Xishi Qiu wrote: >> Use "PFN_DOWN(r->size)" instead of "r->size >> PAGE_SHIFT". >> >> Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> >> --- >> drivers/base/dma-contiguous.c | 5 ++--- >> 1 files changed, 2 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c >> index 0ca5442..1bcfaed 100644 >> --- a/drivers/base/dma-contiguous.c >> +++ b/drivers/base/dma-contiguous.c >> @@ -201,13 +201,12 @@ static int __init cma_init_reserved_areas(void) >> { >> struct cma_reserved *r = cma_reserved; >> unsigned i = cma_reserved_count; >> + struct cma *cma; > > Why change this? > >> >> pr_debug("%s()\n", __func__); >> >> for (; i; --i, ++r) { >> - struct cma *cma; >> - cma = cma_create_area(PFN_DOWN(r->start), >> - r->size >> PAGE_SHIFT); >> + cma = cma_create_area(PFN_DOWN(r->start), PFN_DOWN(r->size)); > > That's reasonable to clean up, but nothing major. Care to resend this > without the cma change? >
Thank you and I will resend it soon.
Thanks, Xishi Qiu
> thanks, > > greg k-h >
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