From: Huang Jianan via Linux-erofs <linux-erofs@lists.ozlabs.org>
To: linux-erofs@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org, guoweichao@oppo.com, zhangshiming@oppo.com
Subject: [PATCH 1/2] erofs: avoid memory allocation failure during rolling decompression
Date: Fri, 5 Mar 2021 14:22:18 +0800 [thread overview]
Message-ID: <20210305062219.557128-1-huangjianan@oppo.com> (raw)
It should be better to ensure memory allocation during rolling
decompression to avoid io error.
Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Guo Weichao <guoweichao@oppo.com>
---
fs/erofs/decompressor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c
index 49347e681a53..fb0fa4e5b9ea 100644
--- a/fs/erofs/decompressor.c
+++ b/fs/erofs/decompressor.c
@@ -86,7 +86,7 @@ static int z_erofs_lz4_prepare_destpages(struct z_erofs_decompress_req *rq,
victim = availables[--top];
get_page(victim);
} else {
- victim = erofs_allocpage(pagepool, GFP_KERNEL);
+ victim = erofs_allocpage(pagepool, GFP_KERNEL | __GFP_NOFAIL);
if (!victim)
return -ENOMEM;
set_page_private(victim, Z_EROFS_SHORTLIVED_PAGE);
--
2.25.1
next reply other threads:[~2021-03-05 6:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-05 6:22 Huang Jianan via Linux-erofs [this message]
2021-03-05 6:22 ` [PATCH 2/2] erofs: decompress in endio if possible Huang Jianan via Linux-erofs
2021-03-05 6:41 ` Gao Xiang
2021-03-05 8:21 ` kernel test robot
2021-03-05 6:45 ` [PATCH 1/2] erofs: avoid memory allocation failure during rolling decompression Gao Xiang
2021-03-05 9:58 ` [PATCH v5 " Huang Jianan via Linux-erofs
2021-03-05 9:58 ` [PATCH v5 2/2] erofs: decompress in endio if possible Huang Jianan via Linux-erofs
2021-03-15 11:28 ` Gao Xiang
2021-03-15 11:24 ` [PATCH v5 1/2] erofs: avoid memory allocation failure during rolling decompression Gao Xiang
2021-03-16 1:11 ` Chao Yu
2021-03-16 1:29 ` Gao Xiang
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