Re: [PATCH 3/3] cma: add functions to get region pages counters

From: Safonov Dmitry
Date: Tue Dec 30 2014 - 09:47:06 EST

On 12/30/2014 05:41 PM, Michal Nazarewicz wrote:
On Fri, Dec 26, 2014 at 05:39:04PM +0300, Stefan I. Strogin wrote:
From: Dmitry Safonov <d.safonov@xxxxxxxxxxxxxxxxxxx>
@@ -591,6 +621,10 @@ static int s_show(struct seq_file *m, void *p)
struct cma_buffer *cmabuf;
struct stack_trace trace;
+ seq_printf(m, "CMARegion stat: %8lu kB total, %8lu kB used, %8lu kB max contiguous chunk\n\n",
+ cma_get_size(cma) >> 10,
+ cma_get_used(cma) >> 10,
+ cma_get_maxchunk(cma) >> 10);
list_for_each_entry(cmabuf, &cma->buffers_list, list) {
On Tue, Dec 30 2014, Joonsoo Kim <> wrote:
How about changing printing format like as meminfo or zoneinfo?

CMARegion #
Total: XXX
Used: YYY
MaxContig: ZZZ
+1. I was also thinking about this actually.

Yeah, I thought about it. Sure.

Best regards,
Safonov Dmitry.

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