From: Alexey Dobriyan <adobriyan@gmail.com>
To: Joel Savitz <jsavitz@redhat.com>
Cc: linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Waiman Long <longman@redhat.com>,
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
Kristina Martsenko <kristina.martsenko@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Kees Cook <keescook@chromium.org>,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
YueHaibing <yuehaibing@huawei.com>,
Micah Morton <mortonm@chromium.org>,
Yang Shi <yang.shi@linux.alibaba.com>,
Jann Horn <jannh@google.com>, Rafael Aquini <aquini@redhat.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Yury Norov <yury.norov@gmail.com>,
David Laight <David.Laight@aculab.com>
Subject: Re: [PATCH v3 1/2] kernel/sys: add PR_GET_TASK_SIZE option to prctl(2)
Date: Sat, 4 May 2019 09:56:59 +0300 [thread overview]
Message-ID: <20190504065659.GA4156@avx2> (raw)
In-Reply-To: <1556907021-29730-2-git-send-email-jsavitz@redhat.com>
On Fri, May 03, 2019 at 02:10:20PM -0400, Joel Savitz wrote:
> +/* Get the process virtual memory size (i.e. the highest usable VM address) */
> +#define PR_GET_TASK_SIZE 55
TASK_SIZE is in fact the lowest _un_usable address. :^)
next prev parent reply other threads:[~2019-05-04 6:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-03 18:10 [PATCH v3 0/2] sys/prctl: expose TASK_SIZE value to userspace Joel Savitz
2019-05-03 18:10 ` [PATCH v3 1/2] kernel/sys: add PR_GET_TASK_SIZE option to prctl(2) Joel Savitz
2019-05-03 21:08 ` Yury Norov
2019-05-03 21:51 ` Rafael Aquini
2019-05-03 22:14 ` Rafael Aquini
2019-05-03 23:15 ` Jann Horn
2019-05-04 6:56 ` Alexey Dobriyan [this message]
2019-05-03 18:10 ` [PATCH v3 2/2] prctl.2: Document the new PR_GET_TASK_SIZE option Joel Savitz
2019-05-03 20:49 ` [PATCH v3 0/2] sys/prctl: expose TASK_SIZE value to userspace Yury Norov
2019-05-03 21:57 ` Rafael Aquini
2019-05-04 4:21 ` Yury Norov
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