Message ID | 20230117023335.1690727-2-Liam.Howlett@oracle.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Tue, 17 Jan 2023 02:34:09 +0000 Received: from SN6PR10MB3022.namprd10.prod.outlook.com ([fe80::a02:2ac8:ee3e:682]) by SN6PR10MB3022.namprd10.prod.outlook.com ([fe80::a02:2ac8:ee3e:682%4]) with mapi id 15.20.6002.012; Tue, 17 Jan 2023 02:34:09 +0000 From: Liam Howlett <liam.howlett@oracle.com> To: "linux-mm@kvack.org" <linux-mm@kvack.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org>, "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org> CC: Liam Howlett <liam.howlett@oracle.com>, Liam Howlett <liam.howlett@oracle.com> Subject: [PATCH v3 01/48] maple_tree: Add mas_init() function Thread-Topic: [PATCH v3 01/48] maple_tree: Add mas_init() function Thread-Index: AQHZKhwtjrQXc+DFkUOn7yC2moEjxw== Date: Tue, 17 Jan 2023 02:34:09 +0000 Message-ID: <20230117023335.1690727-2-Liam.Howlett@oracle.com> References: <20230117023335.1690727-1-Liam.Howlett@oracle.com> In-Reply-To: <20230117023335.1690727-1-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 2.35.1 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SN6PR10MB3022:EE_|CH0PR10MB5356:EE_ x-ms-office365-filtering-correlation-id: c1e45b57-aae7-4f19-6ffe-08daf8335027 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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VMA tree type safety and remove __vma_adjust()
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diff --git a/include/linux/maple_tree.h b/include/linux/maple_tree.h index e594db58a0f1..3f972602c978 100644 --- a/include/linux/maple_tree.h +++ b/include/linux/maple_tree.h @@ -433,6 +433,7 @@ struct ma_wr_state { .min = 0, \ .max = ULONG_MAX, \ .alloc = NULL, \ + .mas_flags = 0, \ } #define MA_WR_STATE(name, ma_state, wr_entry) \ @@ -471,6 +472,16 @@ void *mas_next(struct ma_state *mas, unsigned long max); int mas_empty_area(struct ma_state *mas, unsigned long min, unsigned long max, unsigned long size); +static inline void mas_init(struct ma_state *mas, struct maple_tree *tree, + unsigned long addr) +{ + memset(mas, 0, sizeof(struct ma_state)); + mas->tree = tree; + mas->index = mas->last = addr; + mas->max = ULONG_MAX; + mas->node = MAS_START; +} + /* Checks if a mas has not found anything */ static inline bool mas_is_none(struct ma_state *mas) {