linux-kernel - [PATCH v2 11/11] mm/io-mapping: track

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Message-ID: <20250512123424.637989-12-david@redhat.com>
Date: Mon, 12 May 2025 14:34:24 +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>,
	Ingo Molnar <mingo@...nel.org>
Subject: [PATCH v2 11/11] mm/io-mapping: track_pfn() -> "pfnmap tracking"

track_pfn() does not exist, let's simply refer to it as "pfnmap
tracking".

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Acked-by: Ingo Molnar <mingo@...nel.org> # x86 bits
Signed-off-by: David Hildenbrand <david@...hat.com>
---
 mm/io-mapping.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/io-mapping.c b/mm/io-mapping.c
index f44a6a1347123..d3586e95c12c5 100644
--- a/mm/io-mapping.c
+++ b/mm/io-mapping.c
@@ -24,7 +24,7 @@ int io_mapping_map_user(struct io_mapping *iomap, struct vm_area_struct *vma,
 	pgprot_t remap_prot = __pgprot((pgprot_val(iomap->prot) & _PAGE_CACHE_MASK) |
 				       (pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK));
 
-	/* We rely on prevalidation of the io-mapping to skip track_pfn(). */
+	/* We rely on prevalidation of the io-mapping to skip pfnmap tracking. */
 	return remap_pfn_range_notrack(vma, addr, pfn, size, remap_prot);
 }
 EXPORT_SYMBOL_GPL(io_mapping_map_user);
-- 
2.49.0