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: Max Kellermann <max.kellermann@ionos.com>
Message-Id: <20230921075755.1378787-1-max.kellermann@ionos.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 608a9eb86bff8dffdc4ca751eb573a4d03dfaf9d..598a411d7da2af66596b895f182a895c1d0e56ed 100644 (file)
--- 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;