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

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@gmail.com> 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 scenario happens when traced_probes is woken up to get a large quantity of trace even if free memory is even higher than watermark_low. 
>

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