From 334ae0cac49feac1378c798ae2824ca747ccb103 Mon Sep 17 00:00:00 2001 From: YongminTai Date: Tue, 31 Oct 2023 17:39:15 +0900 Subject: [PATCH] Small patch for zswap Signed-off-by: YongminTai --- ...P-fix-the-risk-of-GPL-v2.0-voliation.patch | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 patches/linux/0226-PNM-ZSWAP-fix-the-risk-of-GPL-v2.0-voliation.patch diff --git a/patches/linux/0226-PNM-ZSWAP-fix-the-risk-of-GPL-v2.0-voliation.patch b/patches/linux/0226-PNM-ZSWAP-fix-the-risk-of-GPL-v2.0-voliation.patch new file mode 100644 index 0000000..9f9c2fe --- /dev/null +++ b/patches/linux/0226-PNM-ZSWAP-fix-the-risk-of-GPL-v2.0-voliation.patch @@ -0,0 +1,61 @@ +From df5b5a5d2fae89054e6ddb274249778d4a58de79 Mon Sep 17 00:00:00 2001 +From: "mao.chen" +Date: Tue, 31 Oct 2023 23:41:33 +0800 +Subject: [PATCH 226/226] [PNM][ZSWAP]fix the risk of GPL v2.0 voliation + +Add original copyright information in pnm_zswap.c +and pnm_zswap_lib.c to avoid the risk of GPL v2.0 +voliation + +BREAKING CHANGE: no + +Resolve: MCS23-1803 + +Signed-off-by: mao.chen +--- + lib/pnm/zswap/pnm_zswap_lib.c | 8 ++++++++ + mm/pnm/pnm_zswap.c | 11 +++++++++++ + 2 files changed, 19 insertions(+) + +diff --git a/lib/pnm/zswap/pnm_zswap_lib.c b/lib/pnm/zswap/pnm_zswap_lib.c +index 3d77275c5..2e3d03e8c 100644 +--- a/lib/pnm/zswap/pnm_zswap_lib.c ++++ b/lib/pnm/zswap/pnm_zswap_lib.c +@@ -1,5 +1,13 @@ + // SPDX-License-Identifier: GPL-2.0 + /* Copyright(c) 2021-2023 Samsung LTD. All rights reserved. */ ++/* ++ * zpool memory storage api ++ * ++ * Copyright (C) 2014 Dan Streetman ++ * ++ * This is a common frontend for memory storage pool implementations. ++ * Typically, this is used to store compressed memory. ++ */ + + #include /* PAGE_SIZE */ + #include /* cdev definition */ +diff --git a/mm/pnm/pnm_zswap.c b/mm/pnm/pnm_zswap.c +index f5614554a..5e84e8dca 100644 +--- a/mm/pnm/pnm_zswap.c ++++ b/mm/pnm/pnm_zswap.c +@@ -1,5 +1,16 @@ + // SPDX-License-Identifier: GPL-2.0 + /* Copyright(c) 2021-2023 Samsung LTD. All rights reserved. */ ++/* ++ * zswap.c - zswap driver file ++ * ++ * zswap is a backend for frontswap that takes pages that are in the process ++ * of being swapped out and attempts to compress and store them in a ++ * RAM-based memory pool. This can result in a significant I/O reduction on ++ * the swap device and, in the case where decompressing from RAM is faster ++ * than reading from the swap device, can also improve workload performance. ++ * ++ * Copyright (C) 2012 Seth Jennings ++ */ + + #include + #include +-- +2.34.1 +