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Date:   Thu, 23 Apr 2020 08:14:10 -0700
From:   Matthew Wilcox <willy@infradead.org>
To:     Minchan Kim <minchan@kernel.org>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
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Subject: Re: [PATCH 2/2] mm: support vector address ranges for process_madvise
Message-ID: <20200423151410.GC13910@bombadil.infradead.org>
References: <20200423145215.72666-1-minchan@kernel.org>
 <20200423145215.72666-2-minchan@kernel.org>
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On Thu, Apr 23, 2020 at 07:52:15AM -0700, Minchan Kim wrote:
> +SYSCALL_DEFINE6(process_madvise, int, which, pid_t, upid,
> +		const struct iovec __user *, vec, unsigned long, vlen,
> +		int, behavior, unsigned long, flags)
> +{

Don't we now need a compat version of this that calls compat_import_iovec()?