linux-kernel - Re: [PATCH v3] Documentation/highmem: Add information about kmap_local

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Message-ID: <87350h375j.fsf@meer.lwn.net>
Date:   Thu, 17 Aug 2023 11:34:00 -0600
From:   Jonathan Corbet <corbet@....net>
To:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>,
        linux-doc@...r.kernel.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        "Mike Rapoport (IBM)" <rppt@...nel.org>,
        Ira Weiny <ira.weiny@...el.com>,
        Deming Wang <wangdeming@...pur.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Matthew Wilcox <willy@...radead.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Peter Collingbourne <pcc@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vlastimil Babka <vbabka@...e.cz>, Will Deacon <will@...nel.org>
Subject: Re: [PATCH v3] Documentation/highmem: Add information about
 kmap_local_folio()

"Fabio M. De Francesco" <fmdefrancesco@...il.com> writes:

> On venerdì 14 luglio 2023 21:45:09 CEST Jonathan Corbet wrote:
>> "Fabio M. De Francesco" <fmdefrancesco@...il.com> writes:
>> > The differences between kmap_local_page() and kmap_local_folio() consist
>> > only in the first taking a pointer to a page and the second taking two
>> > arguments, a pointer to a folio and the byte offset within the folio which
>> > identifies the page.
>> > 
>> > The two API's can be explained at the same time in the "Temporary Virtual
>> > Mappings" section of the Highmem's documentation.
>> > 
>> > Add information about kmap_local_folio() in the same subsection that
>> > explains kmap_local_page().
>> >
>>
> [snip]
>> 
>> Applied, thanks.
>> 
>> jon
>
> Jonathan,
>
> Can you please tell me which release is this patch for? I see that it has not 
> yet reached upstream.

It's in docs-next and will go to Linus during the merge window.

Thanks,

jon