Re: [PATCH] trace : use kvmalloc instead of kmalloc

[Steven Rostedt]

This is also the second version of the patch. Please add a v2 to the
subject, otherwise it gets confusing to know which one to pull in.

 "[PATCH v2] ..."

-- Steve


On Thu, 30 Jul 2020 19:04:12 +0800
Zhaoyang Huang <huangzhaoyang@xxxxxxxxx> wrote:

> High order memory stuff within trace could introduce OOM, use kvmalloc instead.
> 
> Please find the bellowing for the call stack we run across in an android system. The scenarioÂhappens when traced_probes is woken up to get a large quantity of trace even if free memory is even higher than watermark_low.Â
>