Unverified Commit 61105aab authored by Max Kellermann's avatar Max Kellermann Committed by Christian Brauner
Browse files

pipe: reduce padding in struct pipe_inode_info 



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: default avatarMax Kellermann <max.kellermann@ionos.com>
Message-Id: <20230921075755.1378787-1-max.kellermann@ionos.com>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 5aa8fd9c

include/linux/pipe_fs_i.h

+3 −3
Original line number Diff line number Diff line
@@ -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;