linux-kernel - [PATCH v1 2/3] fuse: use GFP_KERNEL_ACCOUNT for allocations in fuse_dev

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Message-Id: <20240105152129.196824-3-aleksandr.mikhalitsyn@canonical.com>
Date: Fri,  5 Jan 2024 16:21:28 +0100
From: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
To: mszeredi@...hat.com
Cc: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>,
	Miklos Szeredi <miklos@...redi.hu>,
	Amir Goldstein <amir73il@...il.com>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/3] 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.

Cc: Miklos Szeredi <miklos@...redi.hu>
Cc: Amir Goldstein <amir73il@...il.com>
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 2a6d44f91729..b8636b5e79dc 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1415,11 +1415,11 @@ 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