The patch titled
file lock: reorder struct file_lock to save space on 64 bit builds
has been added to the -mm tree. Its filename is
file-lock-reorder-struct-file_lock-to-save-space-on-64-bit-builds.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: file lock: reorder struct file_lock to save space on 64 bit builds
From: Richard Kennedy <richard@xxxxxxxxxxxxxxx>
Reduce sizeof struct file_lock by 8 on 64 bit builds allowing +1 objects
per slab in the file_lock_cache
Signed-off-by: Richard Kennedy <richard@xxxxxxxxxxxxxxx>
Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/fs.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/fs.h~file-lock-reorder-struct-file_lock-to-save-space-on-64-bit-builds include/linux/fs.h
--- a/include/linux/fs.h~file-lock-reorder-struct-file_lock-to-save-space-on-64-bit-builds
+++ a/include/linux/fs.h
@@ -952,12 +952,12 @@ struct file_lock {
struct list_head fl_link; /* doubly linked list of all locks */
struct list_head fl_block; /* circular list of blocked processes */
fl_owner_t fl_owner;
+ unsigned char fl_flags;
+ unsigned char fl_type;
unsigned int fl_pid;
struct pid *fl_nspid;
wait_queue_head_t fl_wait;
struct file *fl_file;
- unsigned char fl_flags;
- unsigned char fl_type;
loff_t fl_start;
loff_t fl_end;
_
Patches currently in -mm which might be from richard@xxxxxxxxxxxxxxx are
linux-next.patch
shrink-struct-pid-by-removing-padding-on-64-bit-builds.patch
file-lock-reorder-struct-file_lock-to-save-space-on-64-bit-builds.patch
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