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Date:   Tue, 10 Nov 2020 09:48:31 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Ira Weiny <ira.weiny@...el.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Randy Dunlap <rdunlap@...radead.org>, x86@...nel.org,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-nvdimm@...ts.01.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kselftest@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        kvm@...r.kernel.org, netdev@...r.kernel.org, bpf@...r.kernel.org,
        kexec@...ts.infradead.org, linux-bcache@...r.kernel.org,
        linux-mtd@...ts.infradead.org, devel@...verdev.osuosl.org,
        linux-efi@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        linux-nfs@...r.kernel.org, ceph-devel@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-aio@...ck.org,
        io-uring@...r.kernel.org, linux-erofs@...ts.ozlabs.org,
        linux-um@...ts.infradead.org, linux-ntfs-dev@...ts.sourceforge.net,
        reiserfs-devel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-nilfs@...r.kernel.org, cluster-devel@...hat.com,
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        linux-rdma@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
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        xen-devel@...ts.xenproject.org, linux-cachefs@...hat.com,
        samba-technical@...ts.samba.org, intel-wired-lan@...ts.osuosl.org
Subject: Re: [PATCH RFC PKS/PMEM 05/58] kmap: Introduce k[un]map_thread

On Mon, Nov 09 2020 at 20:59, Ira Weiny wrote:
> On Tue, Nov 10, 2020 at 02:13:56AM +0100, Thomas Gleixner wrote:
> Also, we can convert the new memcpy_*_page() calls to kmap_local() as well.
> [For now my patch just uses kmap_atomic().]
>
> I've not looked at all of the patches in your latest version.  Have you
> included converting any of the kmap() call sites?  I thought you were more
> focused on converting the kmap_atomic() to kmap_local()?

I did not touch any of those yet, but it's a logical consequence to
convert all kmap() instances which are _not_ creating a global mapping
over to it.

Thanks,

        tglx

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