[1/4] pipe: reduce padding in struct pipe_inode_info

Message ID 20230921075755.1378787-1-max.kellermann@ionos.com
State New
Headers
Series [1/4] pipe: reduce padding in struct pipe_inode_info |

Commit Message

Max Kellermann Sept. 21, 2023, 7:57 a.m. UTC
  This has no effect on 64 bit because there are 10 32-bit integers
surrounding the two bools, but on 32 bit architectures, this reduces
the struct size by 4 bytes by merging the two bools into one word.

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
---
 include/linux/pipe_fs_i.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
  

Patch

diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 608a9eb86bff..598a411d7da2 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -62,9 +62,6 @@  struct pipe_inode_info {
 	unsigned int tail;
 	unsigned int max_usage;
 	unsigned int ring_size;
-#ifdef CONFIG_WATCH_QUEUE
-	bool note_loss;
-#endif
 	unsigned int nr_accounted;
 	unsigned int readers;
 	unsigned int writers;
@@ -72,6 +69,9 @@  struct pipe_inode_info {
 	unsigned int r_counter;
 	unsigned int w_counter;
 	bool poll_usage;
+#ifdef CONFIG_WATCH_QUEUE
+	bool note_loss;
+#endif
 	struct page *tmp_page;
 	struct fasync_struct *fasync_readers;
 	struct fasync_struct *fasync_writers;