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Date:   Wed, 8 Apr 2020 14:25:01 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Christoph Hellwig <hch@lst.de>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
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        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Laura Abbott <labbott@redhat.com>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Minchan Kim <minchan@kernel.org>,
        Nitin Gupta <ngupta@vflare.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Christophe Leroy <christophe.leroy@c-s.fr>,
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Subject: Re: decruft the vmalloc API
Message-ID: <20200408122501.GA20713@hirez.programming.kicks-ass.net>
References: <20200408115926.1467567-1-hch@lst.de>
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On Wed, Apr 08, 2020 at 01:58:58PM +0200, Christoph Hellwig wrote:
> Hi all,
> 
> Peter noticed that with some dumb luck you can toast the kernel address
> space with exported vmalloc symbols.
> 
> I used this as an opportunity to decruft the vmalloc.c API and make it
> much more systematic.  This also removes any chance to create vmalloc
> mappings outside the designated areas or using executable permissions
> from modules.  Besides that it removes more than 300 lines of code.
> 

Looks great, thanks for doing this!

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>