The quilt patch titled
Subject: dma-buf: use atomic64_inc_return() in dma_buf_getfile()
has been removed from the -mm tree. Its filename was
dma-buf-use-atomic64_inc_return-in-dma_buf_getfile.patch
This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Uros Bizjak <ubizjak@xxxxxxxxx>
Subject: dma-buf: use atomic64_inc_return() in dma_buf_getfile()
Date: Mon, 7 Oct 2024 10:37:52 +0200
Use atomic64_inc_return(&ref) instead of atomic64_add_return(1, &ref) to
use optimized implementation and ease register pressure around the
primitive for targets that implement optimized variant.
Link: https://lkml.kernel.org/r/20241007083921.47525-1-ubizjak@xxxxxxxxx
Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/dma-buf/dma-buf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/dma-buf/dma-buf.c~dma-buf-use-atomic64_inc_return-in-dma_buf_getfile
+++ a/drivers/dma-buf/dma-buf.c
@@ -558,7 +558,7 @@ static struct file *dma_buf_getfile(size
* Override ->i_ino with the unique and dmabuffs specific
* value.
*/
- inode->i_ino = atomic64_add_return(1, &dmabuf_inode);
+ inode->i_ino = atomic64_inc_return(&dmabuf_inode);
flags &= O_ACCMODE | O_NONBLOCK;
file = alloc_file_pseudo(inode, dma_buf_mnt, "dmabuf",
flags, &dma_buf_fops);
_
Patches currently in -mm which might be from ubizjak@xxxxxxxxx are
