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Fri, 25 Apr 2025 13:00:46 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHp9AqScyuP//w2WTf2DZKa+eTenWSA/B8rLTtbznOGZp/n+4SX/uHlViZL3kDCGa1T/CH6wQ== X-Received: by 2002:a05:620a:24ca:b0:7c5:dfe6:222a with SMTP id af79cd13be357-7c960793e41mr556088285a.42.1745611246549; Fri, 25 Apr 2025 13:00:46 -0700 (PDT) Received: from x1.local ([85.131.185.92]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c958cbe651sm258957185a.47.2025.04.25.13.00.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Apr 2025 13:00:45 -0700 (PDT) Date: Fri, 25 Apr 2025 16:00:42 -0400 From: Peter Xu 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 , "Liam R. Howlett" , Lorenzo Stoakes , Vlastimil Babka , Jann Horn , Pedro Falcato Subject: Re: [PATCH v1 04/11] mm/memremap: convert to pfnmap_track() + pfnmap_untrack() Message-ID: References: <20250425081715.1341199-1-david@redhat.com> <20250425081715.1341199-5-david@redhat.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20250425081715.1341199-5-david@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: C7NIyBN38Vn-ftnKONEHC7Ukm7FRKGpwzdrnBcR0hgA_1745611247 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline On Fri, Apr 25, 2025 at 10:17:08AM +0200, David Hildenbrand wrote: > Let's use the new, cleaner interface. > > Signed-off-by: David Hildenbrand > --- > mm/memremap.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/mm/memremap.c b/mm/memremap.c > index 2aebc1b192da9..c417c843e9b1f 100644 > --- a/mm/memremap.c > +++ b/mm/memremap.c > @@ -130,7 +130,7 @@ static void pageunmap_range(struct dev_pagemap *pgmap, int range_id) > } > mem_hotplug_done(); > > - untrack_pfn(NULL, PHYS_PFN(range->start), range_len(range), true); > + pfnmap_untrack(PHYS_PFN(range->start), range_len(range)); > pgmap_array_delete(range); > } > > @@ -211,8 +211,8 @@ static int pagemap_range(struct dev_pagemap *pgmap, struct mhp_params *params, > if (nid < 0) > nid = numa_mem_id(); > > - error = track_pfn_remap(NULL, ¶ms->pgprot, PHYS_PFN(range->start), 0, > - range_len(range)); > + error = pfnmap_track(PHYS_PFN(range->start), range_len(range), > + ¶ms->pgprot); > if (error) > goto err_pfn_remap; > > @@ -277,7 +277,7 @@ static int pagemap_range(struct dev_pagemap *pgmap, struct mhp_params *params, > if (!is_private) > kasan_remove_zero_shadow(__va(range->start), range_len(range)); > err_kasan: > - untrack_pfn(NULL, PHYS_PFN(range->start), range_len(range), true); > + pfnmap_untrack(PHYS_PFN(range->start), range_len(range)); Not a huge deal, but maybe we could merge this and previous patch? It might be easier to reference the impl when reading the call site changes. > err_pfn_remap: > pgmap_array_delete(range); > return error; > -- > 2.49.0 > -- Peter Xu