From: Johannes Berg <johannes@sipsolutions.net>
To: greearb@candelatech.com, linux-wireless@vger.kernel.org
Subject: Re: [PATCH 1/2] mac80211: Show pending txqlen in debugfs.
Date: Mon, 05 Dec 2016 14:59:31 +0100 [thread overview]
Message-ID: <1480946371.31788.7.camel@sipsolutions.net> (raw)
In-Reply-To: <1480442753-6830-1-git-send-email-greearb@candelatech.com> (sfid-20161129_190601_478280_B404B299)
+static ssize_t misc_read(struct file *file, char __user *user_buf,
> + size_t count, loff_t *ppos)
> +{
> + struct ieee80211_local *local = file->private_data;
> + size_t bufsz = 1000;
> + char *buf = kzalloc(bufsz, GFP_KERNEL);
You need at most IEEE80211_MAX_QUEUES * 16 (==256) which I think you
can put on the stack?
johannes
next prev parent reply other threads:[~2016-12-05 14:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-29 18:05 [PATCH 1/2] mac80211: Show pending txqlen in debugfs greearb
2016-11-29 18:05 ` [PATCH 2/2] mac80211: put upper bound on txqi queue length greearb
2016-12-05 13:56 ` Johannes Berg
2016-12-05 14:05 ` Michal Kazior
2016-12-05 13:59 ` Johannes Berg [this message]
2016-12-05 14:47 ` [PATCH 1/2] mac80211: Show pending txqlen in debugfs Ben Greear
2016-12-05 14:54 ` Johannes Berg
2016-12-05 14:58 ` Ben Greear
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