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nilfs2: replace get_zeroed_page() with kzalloc()

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nilfs_ioctl_wrap_copy() allocates a temporary buffer with
get_zeroed_page().

kzalloc() is a better API for such use and it also provides better
scalability and more debugging possibilities.

Replace use of get_zeroed_page() with kzalloc().

Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Link: https://patch.msgid.link/20260523-b4-fs-v1-4-275e36a83f0e@kernel.org
Reviewed-by: Viacheslav Dubeyko <slava@dubeyko.com>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This commit is contained in:
Mike Rapoport (Microsoft)
2026-05-23 20:54:16 +03:00
committed by Christian Brauner
parent bc24c55579
commit 4948580c76
1 changed files with 2 additions and 2 deletions
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4
fs/nilfs2/ioctl.c
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@@ -69,7 +69,7 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs,
if (argv->v_index > ~(__u64)0 - argv->v_nmembs)
return -EINVAL;
buf = (void *)get_zeroed_page(GFP_NOFS);
buf = kzalloc(PAGE_SIZE, GFP_NOFS);
if (unlikely(!buf))
return -ENOMEM;
maxmembs = PAGE_SIZE / argv->v_size;
@@ -107,7 +107,7 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs,
}
argv->v_nmembs = total;
free_pages((unsigned long)buf, 0);
kfree(buf);
return ret;
}