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Date:   Sun, 19 Mar 2023 02:50:56 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Lorenzo Stoakes <lstoakes@...il.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Baoquan He <bhe@...hat.com>,
        Uladzislau Rezki <urezki@...il.com>,
        David Hildenbrand <david@...hat.com>,
        Liu Shixin <liushixin2@...wei.com>,
        Jiri Olsa <jolsa@...nel.org>
Subject: Re: [PATCH 4/4] mm: vmalloc: convert vread() to vread_iter()

On Sun, Mar 19, 2023 at 12:20:12AM +0000, Lorenzo Stoakes wrote:
>  /* for /proc/kcore */
> -extern long vread(char *buf, char *addr, unsigned long count);
> +extern long vread_iter(char *addr, size_t count, struct iov_iter *iter);

I don't love the order of the arguments here.  Usually we follow
memcpy() and have (dst, src, len).  This sometimes gets a bit more
complex when either src or dst need two arguments, but that's not the
case here.

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