From: Andrew Morton <akpm@linux-foundation.org>
To: ira.weiny@intel.com
Cc: David Sterba <dsterba@suse.com>, Chris Mason <clm@fb.com>,
Josef Bacik <josef@toxicpanda.com>,
linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] btrfs: Convert kmap/memset/kunmap to memzero_user()
Date: Wed, 10 Mar 2021 15:58:36 -0800 [thread overview]
Message-ID: <20210310155836.7d63604e28d746ef493c1882@linux-foundation.org> (raw)
In-Reply-To: <20210309212137.2610186-1-ira.weiny@intel.com>
On Tue, 9 Mar 2021 13:21:34 -0800 ira.weiny@intel.com wrote:
> Previously this was submitted to convert to zero_user()[1]. zero_user() is not
> the same as memzero_user() and in fact some zero_user() calls may be better off
> as memzero_user(). Regardless it was incorrect to convert btrfs to
> zero_user().
>
> This series corrects this by lifting memzero_user(), converting it to
> kmap_local_page(), and then using it in btrfs.
This impacts btrfs more than MM. I suggest the btrfs developers grab
it, with my
Acked-by: Andrew Morton <akpm@linux-foundation.org>
next prev parent reply other threads:[~2021-03-10 23:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 21:21 [PATCH 0/3] btrfs: Convert kmap/memset/kunmap to memzero_user() ira.weiny
2021-03-09 21:21 ` [PATCH 1/3] iov_iter: Lift memzero_page() to highmem.h ira.weiny
2021-03-09 21:21 ` [PATCH 2/3] mm/highmem: Convert memzero_page() to kmap_local_page() ira.weiny
2021-03-09 21:21 ` [PATCH 3/3] btrfs: Use memzero_page() instead of open coded kmap pattern ira.weiny
2021-03-12 11:23 ` David Sterba
2021-03-10 23:58 ` Andrew Morton [this message]
2021-03-11 15:57 ` [PATCH 0/3] btrfs: Convert kmap/memset/kunmap to memzero_user() Ira Weiny
2021-03-12 11:57 ` David Sterba
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