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Tue, 17 Aug 2021 15:47:55 +0000 From: Liam Howlett To: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton CC: Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Liam Howlett Subject: [PATCH v2 45/61] arch/um/kernel/tlb: Stop using linked list Thread-Topic: [PATCH v2 45/61] arch/um/kernel/tlb: Stop using linked list Thread-Index: AQHXk38v8ie07+tbbEiIog/VXtJB+A== Date: Tue, 17 Aug 2021 15:47:29 +0000 Message-ID: <20210817154651.1570984-46-Liam.Howlett@oracle.com> References: <20210817154651.1570984-1-Liam.Howlett@oracle.com> In-Reply-To: <20210817154651.1570984-1-Liam.Howlett@oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.30.2 authentication-results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; dmarc=none action=none header.from=oracle.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: dd37f710-76c3-452c-11b0-08d96196617c x-ms-traffictypediagnostic: DM6PR10MB3580: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1079; 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Howlett" Signed-off-by: Liam R. Howlett --- arch/um/kernel/tlb.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index bc38f79ca3a3..0cbbebad70a0 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -584,21 +584,21 @@ void flush_tlb_mm_range(struct mm_struct *mm, unsigne= d long start, =20 void flush_tlb_mm(struct mm_struct *mm) { - struct vm_area_struct *vma =3D mm->mmap; + struct vm_area_struct *vma; + MA_STATE(mas, &mm->mm_mt, 0, 0); =20 - while (vma !=3D NULL) { + /* Must hold mm_mt lock already */ + mas_for_each(&mas, vma, ULONG_MAX) fix_range(mm, vma->vm_start, vma->vm_end, 0); - vma =3D vma->vm_next; - } } =20 void force_flush_all(void) { struct mm_struct *mm =3D current->mm; - struct vm_area_struct *vma =3D mm->mmap; + struct vm_area_struct *vma; + MA_STATE(mas, &mm->mm_mt, 0, 0); =20 - while (vma !=3D NULL) { + /* Must hold mm_mt lock already */ + mas_for_each(&mas, vma, ULONG_MAX) fix_range(mm, vma->vm_start, vma->vm_end, 1); - vma =3D vma->vm_next; - } } --=20 2.30.2