linux-kernel - [PATCH v1 04/11] mm/memremap: convert to pfnmap_track() + pfnmap

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Message-ID: <20250425081715.1341199-5-david@redhat.com>
Date: Fri, 25 Apr 2025 10:17:08 +0200
From: David Hildenbrand <david@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org,
	x86@...nel.org,
	intel-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-trace-kernel@...r.kernel.org,
	David Hildenbrand <david@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Andy Lutomirski <luto@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@...el.com>,
	Tvrtko Ursulin <tursulin@...ulin.net>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Jann Horn <jannh@...gle.com>,
	Pedro Falcato <pfalcato@...e.de>,
	Peter Xu <peterx@...hat.com>
Subject: [PATCH v1 04/11] mm/memremap: convert to pfnmap_track() + pfnmap_untrack()

Let's use the new, cleaner interface.

Signed-off-by: David Hildenbrand <david@...hat.com>
---
 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, &params->pgprot, PHYS_PFN(range->start), 0,
-			range_len(range));
+	error = pfnmap_track(PHYS_PFN(range->start), range_len(range),
+			     &params->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));
 err_pfn_remap:
 	pgmap_array_delete(range);
 	return error;
-- 
2.49.0