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Howlett" To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-trace-kernel@vger.kernel.org, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Andrew Morton , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Lorenzo Stoakes , Vlastimil Babka , Jann Horn , Pedro Falcato , Peter Xu , Ingo Molnar Subject: Re: [PATCH v2 10/11] drm/i915: track_pfn() -> "pfnmap tracking" Message-ID: Mail-Followup-To: "Liam R. Howlett" , David Hildenbrand , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-trace-kernel@vger.kernel.org, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. 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let's simply refer to it as "pfnmap > tracking". > > Reviewed-by: Lorenzo Stoakes > Acked-by: Ingo Molnar # x86 bits > Signed-off-by: David Hildenbrand Reviewed-by: Liam R. Howlett > --- > drivers/gpu/drm/i915/i915_mm.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_mm.c b/drivers/gpu/drm/i915/i915_mm.c > index 76e2801619f09..c33bd3d830699 100644 > --- a/drivers/gpu/drm/i915/i915_mm.c > +++ b/drivers/gpu/drm/i915/i915_mm.c > @@ -100,7 +100,7 @@ int remap_io_mapping(struct vm_area_struct *vma, > > GEM_BUG_ON((vma->vm_flags & EXPECTED_FLAGS) != EXPECTED_FLAGS); > > - /* We rely on prevalidation of the io-mapping to skip track_pfn(). */ > + /* We rely on prevalidation of the io-mapping to skip pfnmap tracking. */ > r.mm = vma->vm_mm; > r.pfn = pfn; > r.prot = __pgprot((pgprot_val(iomap->prot) & _PAGE_CACHE_MASK) | > @@ -140,7 +140,7 @@ int remap_io_sg(struct vm_area_struct *vma, > }; > int err; > > - /* We rely on prevalidation of the io-mapping to skip track_pfn(). */ > + /* We rely on prevalidation of the io-mapping to skip pfnmap tracking. */ > GEM_BUG_ON((vma->vm_flags & EXPECTED_FLAGS) != EXPECTED_FLAGS); > > while (offset >= r.sgt.max >> PAGE_SHIFT) { > -- > 2.49.0 >