From: Alexey Dobriyan <adobriyan@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH -mm 3/3] proc: account "struct pde_opener"
Date: Wed, 14 Feb 2018 11:24:09 +0300 [thread overview]
Message-ID: <20180214082409.GC17157@avx2> (raw)
In-Reply-To: <20180214082306.GB17157@avx2>
The allocation is persistent in fact as any fool can open a file in
/proc and sit on it.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
fs/proc/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -103,7 +103,7 @@ void __init proc_init_kmemcache(void)
init_once);
pde_opener_cache =
kmem_cache_create("pde_opener", sizeof(struct pde_opener), 0,
- SLAB_PANIC, NULL);
+ SLAB_ACCOUNT|SLAB_PANIC, NULL);
}
static int proc_show_options(struct seq_file *seq, struct dentry *root)
next prev parent reply other threads:[~2018-02-14 8:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-14 6:30 [PATCH -mm] proc: faster open/close of files without ->release hook Alexey Dobriyan
2018-02-14 8:19 ` [PATCH -mm 1/3] proc: randomize "struct pde_opener" Alexey Dobriyan
2018-02-14 8:23 ` [PATCH -mm 2/3] proc: move "struct pde_opener" to kmem cache Alexey Dobriyan
2018-02-14 8:24 ` Alexey Dobriyan [this message]
2018-02-15 19:07 ` [PATCH -mm 1/3] proc: randomize "struct pde_opener" Al Viro
2018-02-15 21:41 ` Alexey Dobriyan
2018-02-16 0:13 ` Al Viro
2018-02-16 1:03 ` Kees Cook
2018-02-16 4:48 ` Alexey Dobriyan
2018-02-16 0:53 ` Kees Cook
2018-02-16 4:41 ` Alexey Dobriyan
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