From: Jens Axboe <axboe@kernel.dk>
Date: Tue, 9 Feb 2021 20:48:50 +0000 (-0700)
Subject: io_uring: enable kmemcg account for io_uring requests
X-Git-Tag: accepted/tizen/unified/20230118.172025~7716^2~49
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=91f245d5d5de0802428a478802ec051f7de2f5d6;p=platform%2Fkernel%2Flinux-rpi.git

io_uring: enable kmemcg account for io_uring requests

This puts io_uring under the memory cgroups accounting and limits for
requests.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 2c7ff0b..bffed6a 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -10350,7 +10350,8 @@ static int __init io_uring_init(void)
 
 	BUILD_BUG_ON(ARRAY_SIZE(io_op_defs) != IORING_OP_LAST);
 	BUILD_BUG_ON(__REQ_F_LAST_BIT >= 8 * sizeof(int));
-	req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC);
+	req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC |
+				SLAB_ACCOUNT);
 	return 0;
 };
 __initcall(io_uring_init);