From 647dd2c3f0e16b71a1a77897d038164d48eea154 Mon Sep 17 00:00:00 2001 From: Gao Xiang Date: Thu, 9 Mar 2023 13:31:47 +0800 Subject: [PATCH] erofs: Revert "erofs: fix kvcalloc() misuse with __GFP_NOFAIL" Let's revert commit 12724ba38992 ("erofs: fix kvcalloc() misuse with __GFP_NOFAIL") since kvmalloc() already supports __GFP_NOFAIL in commit a421ef303008 ("mm: allow !GFP_KERNEL allocations for kvmalloc"). So the original fix was wrong. Actually there was some issue as [1] discussed, so before that mm fix is landed, the warn could still happen but applying this commit first will cause less. [1] https://lore.kernel.org/r/20230305053035.1911-1-hsiangkao@linux.alibaba.com Fixes: 12724ba38992 ("erofs: fix kvcalloc() misuse with __GFP_NOFAIL") Reviewed-by: Chao Yu Link: https://lore.kernel.org/r/20230309053148.9223-1-hsiangkao@linux.alibaba.com Signed-off-by: Gao Xiang --- fs/erofs/zdata.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index 3247d24..f1708c7 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -1312,12 +1312,12 @@ static int z_erofs_decompress_pcluster(struct z_erofs_decompress_backend *be, if (!be->decompressed_pages) be->decompressed_pages = - kcalloc(be->nr_pages, sizeof(struct page *), - GFP_KERNEL | __GFP_NOFAIL); + kvcalloc(be->nr_pages, sizeof(struct page *), + GFP_KERNEL | __GFP_NOFAIL); if (!be->compressed_pages) be->compressed_pages = - kcalloc(pclusterpages, sizeof(struct page *), - GFP_KERNEL | __GFP_NOFAIL); + kvcalloc(pclusterpages, sizeof(struct page *), + GFP_KERNEL | __GFP_NOFAIL); z_erofs_parse_out_bvecs(be); err2 = z_erofs_parse_in_bvecs(be, &overlapped); @@ -1365,7 +1365,7 @@ out: } if (be->compressed_pages < be->onstack_pages || be->compressed_pages >= be->onstack_pages + Z_EROFS_ONSTACK_PAGES) - kfree(be->compressed_pages); + kvfree(be->compressed_pages); z_erofs_fill_other_copies(be, err); for (i = 0; i < be->nr_pages; ++i) { @@ -1384,7 +1384,7 @@ out: } if (be->decompressed_pages != be->onstack_pages) - kfree(be->decompressed_pages); + kvfree(be->decompressed_pages); pcl->length = 0; pcl->partial = true; -- 2.7.4