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authorAlexey Dobriyan <adobriyan@gmail.com>2007-05-21 01:22:52 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-21 09:18:19 -0700
commite8edc6e03a5c8562dc70a6d969f732bdb355a7e7 (patch)
treefc86c863655128a7041dfe613d14393d761fa7b9 /fs/hpfs
parentff1be9ad61e3e17ba83702d8ed0b534e5b8ee15c (diff)
downloadop-kernel-dev-e8edc6e03a5c8562dc70a6d969f732bdb355a7e7.zip
op-kernel-dev-e8edc6e03a5c8562dc70a6d969f732bdb355a7e7.tar.gz
Detach sched.h from mm.h
First thing mm.h does is including sched.h solely for can_do_mlock() inline function which has "current" dereference inside. By dealing with can_do_mlock() mm.h can be detached from sched.h which is good. See below, why. This patch a) removes unconditional inclusion of sched.h from mm.h b) makes can_do_mlock() normal function in mm/mlock.c c) exports can_do_mlock() to not break compilation d) adds sched.h inclusions back to files that were getting it indirectly. e) adds less bloated headers to some files (asm/signal.h, jiffies.h) that were getting them indirectly Net result is: a) mm.h users would get less code to open, read, preprocess, parse, ... if they don't need sched.h b) sched.h stops being dependency for significant number of files: on x86_64 allmodconfig touching sched.h results in recompile of 4083 files, after patch it's only 3744 (-8.3%). Cross-compile tested on all arm defconfigs, all mips defconfigs, all powerpc defconfigs, alpha alpha-up arm i386 i386-up i386-defconfig i386-allnoconfig ia64 ia64-up m68k mips parisc parisc-up powerpc powerpc-up s390 s390-up sparc sparc-up sparc64 sparc64-up um-x86_64 x86_64 x86_64-up x86_64-defconfig x86_64-allnoconfig as well as my two usual configs. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hpfs')
-rw-r--r--fs/hpfs/buffer.c2
-rw-r--r--fs/hpfs/namei.c2
-rw-r--r--fs/hpfs/super.c1
3 files changed, 3 insertions, 2 deletions
diff --git a/fs/hpfs/buffer.c b/fs/hpfs/buffer.c
index b52b738..b6fca54 100644
--- a/fs/hpfs/buffer.c
+++ b/fs/hpfs/buffer.c
@@ -5,7 +5,7 @@
*
* general buffer i/o
*/
-
+#include <linux/sched.h>
#include "hpfs_fn.h"
void hpfs_lock_creation(struct super_block *s)
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index 9953cf9..d256559 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -5,7 +5,7 @@
*
* adding & removing files & directories
*/
-
+#include <linux/sched.h>
#include "hpfs_fn.h"
static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index fca1165d..29cc34a 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/statfs.h>
#include <linux/magic.h>
+#include <linux/sched.h>
/* Mark the filesystem dirty, so that chkdsk checks it when os/2 booted */
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