kernel_optimize_test/fs/proc
Eric Dumazet c5141e6d64 procfs: reorder struct pid_dentry to save space on 64bit archs, and constify them
Change the order of fields of struct pid_entry (file fs/proc/base.c) in order
to avoid a hole on 64bit archs.  (8 bytes saved per object)

Also change all pid_entry arrays to be const qualified, to make clear they
must not be modified.

Before (on x86_64) :

# size fs/proc/base.o
   text    data     bss     dec     hex filename
  15549    2192       0   17741    454d fs/proc/base.o

After :

# size fs/proc/base.o
   text    data     bss     dec     hex filename
  17229     176       0   17405    43fd fs/proc/base.o

Thats 336 bytes saved on kernel size on x86_64

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08 11:15:03 -07:00
..
array.c reduce size of task_struct on 64-bit machines 2007-05-08 11:14:58 -07:00
base.c procfs: reorder struct pid_dentry to save space on 64bit archs, and constify them 2007-05-08 11:15:03 -07:00
generic.c Fix race between proc_readdir and remove_proc_entry 2007-05-08 11:15:02 -07:00
inode-alloc.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
inode.c proc: remove pathetic ->deleted WARN_ON 2007-05-08 11:15:02 -07:00
internal.h proc: maps protection 2007-05-08 11:15:02 -07:00
kcore.c [PATCH] elf: fix kcore note size calculation 2006-12-07 08:39:38 -08:00
kmsg.c [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
Makefile [PATCH] Fix kernel build with EMBEDDED & PROC_FS & !PROC_SYSCTL 2007-03-27 09:05:16 -07:00
mmu.c [PATCH] fix impossible VmallocChunk 2005-05-17 07:59:10 -07:00
nommu.c [PATCH] mark struct file_operations const 6 2007-02-12 09:48:45 -08:00
proc_devtree.c [POWERPC] Make struct property's value a void * 2007-04-13 03:55:18 +10:00
proc_misc.c mm/slab.c: proper prototypes 2007-05-07 12:12:52 -07:00
proc_sysctl.c [PATCH] sysctl: hide the sysctl proc inodes from selinux 2007-02-14 08:10:00 -08:00
proc_tty.c [PATCH] mark struct file_operations const 6 2007-02-12 09:48:45 -08:00
root.c [PATCH] proc: fix linkage with CONFIG_SYSCTL=y, CONFIG_PROC_SYSCTL=n 2007-04-02 10:06:08 -07:00
task_mmu.c proc: maps protection 2007-05-08 11:15:02 -07:00
task_nommu.c proc: maps protection 2007-05-08 11:15:02 -07:00
vmcore.c [PATCH] i386: Allow i386 crash kernels to handle x86_64 dumps 2007-05-02 19:27:09 +02:00