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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Matthew Auld <matthew.auld@intel.com>, intel-gfx@lists.freedesktop.org
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
	Dave Hansen <dave.hansen@intel.com>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	Hugh Dickins <hughd@google.com>,
	linux-mm@kvack.org
Subject: Re: [PATCH 02/21] drm/i915: introduce simple gemfs
Date: Sat, 23 Sep 2017 09:36:19 +0100	[thread overview]
Message-ID: <150615577925.24071.17558835162953494919@mail.alporthouse.com> (raw)
In-Reply-To: <20170922173252.10137-3-matthew.auld@intel.com>

Quoting Matthew Auld (2017-09-22 18:32:33)
> +static int i915_gem_object_create_shmem(struct drm_device *dev,
> +                                       struct drm_gem_object *obj,
> +                                       size_t size)
> +{
> +       struct drm_i915_private *i915 = to_i915(dev);
> +       struct file *filp;
> +
> +       drm_gem_private_object_init(dev, obj, size);
> +
> +       if (i915->mm.gemfs)
> +               filp = shmem_file_setup_with_mnt(i915->mm.gemfs, "i915", size,
> +                                                VM_NORESERVE);
> +       else
> +               filp = shmem_file_setup("i915", size, VM_NORESERVE);

Smells like the shmem_file_setup() is fishy.

This supports my argument that you should just expand shmem_file_setup()
to always take the vfsmount, passing #define TMPFS_MNT NULL.
-Chris

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  reply	other threads:[~2017-09-23  8:36 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20170922173252.10137-1-matthew.auld@intel.com>
2017-09-22 17:32 ` [PATCH 01/21] mm/shmem: introduce shmem_file_setup_with_mnt Matthew Auld
2017-09-22 17:32 ` [PATCH 02/21] drm/i915: introduce simple gemfs Matthew Auld
2017-09-23  8:36   ` Chris Wilson [this message]
2017-09-25 18:06   ` Chris Wilson
     [not found] <20171006145041.21673-1-matthew.auld@intel.com>
2017-10-06 14:50 ` Matthew Auld
     [not found] <20171005151915.11151-1-matthew.auld@intel.com>
2017-10-05 15:18 ` Matthew Auld
     [not found] <20170929161032.24394-1-matthew.auld@intel.com>
2017-09-29 16:10 ` Matthew Auld
2017-10-02 11:55   ` Joonas Lahtinen
     [not found] <20170725192133.2012-1-matthew.auld@intel.com>
2017-07-25 19:21 ` Matthew Auld
     [not found] <20170703141503.12609-1-matthew.auld@intel.com>
2017-07-03 14:14 ` Matthew Auld

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