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mm: use non-racy method for /proc/swaps creation

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Use proc_create() to make sure that ->proc_fops be setup before gluing PDE to
main tree.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Denis V. Lunev 2008-04-29 01:02:13 -07:00 • committed by Linus Torvalds
parent 6a6375db13
commit 3d71f86f4d
1 changed files with 1 additions and 5 deletions
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6
mm/swapfile.c
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@ -1426,11 +1426,7 @@ static const struct file_operations proc_swaps_operations = {
static int __init procswaps_init(void) static int __init procswaps_init(void)
{ {
struct proc_dir_entry *entry; proc_create("swaps", 0, NULL, &proc_swaps_operations);
entry = create_proc_entry("swaps", 0, NULL);
if (entry)
entry->proc_fops = &proc_swaps_operations;
return 0; return 0;
} }
__initcall(procswaps_init); __initcall(procswaps_init);