linux-kernel - [PATCH] fuse: use GFP_KERNEL_ACCOUNT for allocations in fuse_dev

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240814112356.112329-1-aleksandr.mikhalitsyn@canonical.com>
Date: Wed, 14 Aug 2024 13:23:56 +0200
From: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
To: miklos@...redi.hu
Cc: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>,
	Amir Goldstein <amir73il@...il.com>,
	Christian Brauner <brauner@...nel.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...nel.org>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Shakeel Butt <shakeel.butt@...ux.dev>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] fuse: use GFP_KERNEL_ACCOUNT for allocations in fuse_dev_alloc

fuse_dev_alloc() is called from the process context and it makes
sense to properly account allocated memory to the kmemcg as these
allocations are for long living objects.

Link: https://lore.kernel.org/all/20240105152129.196824-3-aleksandr.mikhalitsyn@canonical.com/

Cc: Miklos Szeredi <miklos@...redi.hu>
Cc: Amir Goldstein <amir73il@...il.com>
Cc: Christian Brauner <brauner@...nel.org>
Cc: Johannes Weiner <hannes@...xchg.org>
Cc: Michal Hocko <mhocko@...nel.org>
Cc: Roman Gushchin <roman.gushchin@...ux.dev>
Cc: Shakeel Butt <shakeel.butt@...ux.dev>
Cc: <linux-fsdevel@...r.kernel.org>
Cc: <linux-kernel@...r.kernel.org>
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
---
 fs/fuse/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index ed4c2688047f..6dae007186e1 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1486,11 +1486,11 @@ struct fuse_dev *fuse_dev_alloc(void)
 	struct fuse_dev *fud;
 	struct list_head *pq;
 
-	fud = kzalloc(sizeof(struct fuse_dev), GFP_KERNEL);
+	fud = kzalloc(sizeof(struct fuse_dev), GFP_KERNEL_ACCOUNT);
 	if (!fud)
 		return NULL;
 
-	pq = kcalloc(FUSE_PQ_HASH_SIZE, sizeof(struct list_head), GFP_KERNEL);
+	pq = kcalloc(FUSE_PQ_HASH_SIZE, sizeof(struct list_head), GFP_KERNEL_ACCOUNT);
 	if (!pq) {
 		kfree(fud);
 		return NULL;
-- 
2.34.1