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From: Steven Rostedt <rostedt@goodmis.org>
To: Zhaoyang Huang <huangzhaoyang@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>,
	chunyan.zhang@unisoc.com,
	Zhaoyang Huang <zhaoyang.huang@unisoc.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] trace : use kvmalloc instead of kmalloc
Date: Thu, 30 Jul 2020 10:01:26 -0400	[thread overview]
Message-ID: <20200730100126.410b3fb1@oasis.local.home> (raw)
In-Reply-To: <1596107052-25682-1-git-send-email-zhaoyang.huang@unisoc.com>


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. 
> 

  parent reply	other threads:[~2020-07-30 14:01 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-30 11:04 Zhaoyang Huang
2020-07-30 13:58 ` Steven Rostedt
2020-07-31  0:24   ` Zhaoyang Huang
2020-07-30 14:01 ` Steven Rostedt [this message]
  -- strict thread matches above, loose matches on Subject: below --
2020-07-29 11:48 Zhaoyang Huang
2020-07-30  8:37 ` Michal Hocko
2020-07-29 11:30 Zhaoyang Huang

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