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From: Matthew Wilcox <willy@infradead.org>
To: Till Smejkal <till.smejkal@googlemail.com>
Cc: linux-mips@linux-mips.org, linux-s390@vger.kernel.org,
	Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	alsa-devel@alsa-project.org, linux-usb@vger.kernel.org,
	"James E.J. Bottomley" <jejb@parisc-linux.org>,
	"J. Bruce Fields" <bfields@fieldses.org>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org,
	Cyrille Pitchen <cyrille.pitchen@atmel.com>,
	Andy Lutomirski <luto@amacapital.net>,
	Jeff Layton <jlayton@poochiereds.net>,
	linux-kernel@vger.kernel.org,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	linux-arch@vger.kernel.orgBoris Brezillon <bo>
Subject: Re: [RFC PATCH 11/13] mm/vas: Introduce VAS segments - shareable address space regions
Date: Mon, 13 Mar 2017 15:27:58 -0700	[thread overview]
Message-ID: <20170313222758.GB4033@bombadil.infradead.org> (raw)
In-Reply-To: <20170313221415.9375-12-till.smejkal@gmail.com>

On Mon, Mar 13, 2017 at 03:14:13PM -0700, Till Smejkal wrote:
> +/**
> + * Create a new VAS segment.
> + *
> + * @param[in] name:		The name of the new VAS segment.
> + * @param[in] start:		The address where the VAS segment begins.
> + * @param[in] end:		The address where the VAS segment ends.
> + * @param[in] mode:		The access rights for the VAS segment.
> + *
> + * @returns:			The VAS segment ID on success, -ERRNO otherwise.
> + **/

Please follow the kernel-doc conventions, as described in
Documentation/doc-guide/kernel-doc.rst.  Also, function documentation
goes with the implementation, not the declaration.

> +/**
> + * Get ID of the VAS segment belonging to a given name.
> + *
> + * @param[in] name:		The name of the VAS segment for which the ID
> + *				should be returned.
> + *
> + * @returns:			The VAS segment ID on success, -ERRNO
> + *				otherwise.
> + **/
> +extern int vas_seg_find(const char *name);

So ... segments have names, and IDs ... and access permissions ...
Why isn't this a special purpose filesystem?


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  reply	other threads:[~2017-03-13 22:27 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-13 22:14 [RFC PATCH 00/13] Introduce first class virtual address spaces Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 01/13] mm: Add mm_struct argument to 'mmap_region' Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 02/13] mm: Add mm_struct argument to 'do_mmap' and 'do_mmap_pgoff' Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 03/13] mm: Rename 'unmap_region' and add mm_struct argument Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 04/13] mm: Add mm_struct argument to 'get_unmapped_area' and 'vm_unmapped_area' Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 05/13] mm: Add mm_struct argument to 'mm_populate' and '__mm_populate' Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 06/13] mm/mmap: Export 'vma_link' and 'find_vma_links' to mm subsystem Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 07/13] kernel/fork: Split and export 'mm_alloc' and 'mm_init' Till Smejkal
2017-03-14 10:18   ` David Laight
2017-03-14 16:18     ` Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 08/13] kernel/fork: Define explicitly which mm_struct to duplicate during fork Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 09/13] mm/memory: Add function to one-to-one duplicate page ranges Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 10/13] mm: Introduce first class virtual address spaces Till Smejkal
2017-03-13 23:52   ` Greg Kroah-Hartman
2017-03-14  0:24     ` Till Smejkal
2017-03-14  1:35   ` Vineet Gupta
2017-03-14  2:34     ` Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 11/13] mm/vas: Introduce VAS segments - shareable address space regions Till Smejkal
2017-03-13 22:27   ` Matthew Wilcox [this message]
2017-03-13 22:45     ` Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 12/13] mm/vas: Add lazy-attach support for first class virtual address spaces Till Smejkal
2017-03-13 22:14 ` [RFC PATCH 13/13] fs/proc: Add procfs " Till Smejkal
2017-03-14  0:18 ` [RFC PATCH 00/13] Introduce " Richard Henderson
2017-03-14  0:39   ` Till Smejkal
2017-03-14  0:58 ` Andy Lutomirski
2017-03-14  2:07   ` Till Smejkal

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