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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/9p
parentff1be9ad61e3e17ba83702d8ed0b534e5b8ee15c (diff)
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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/9p')
-rw-r--r--fs/9p/vfs_addr.c1
-rw-r--r--fs/9p/vfs_dentry.c1
-rw-r--r--fs/9p/vfs_inode.c1
-rw-r--r--fs/9p/vfs_super.c1
4 files changed, 4 insertions, 0 deletions
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index 3128aa948a4..9ac4ffe9ac7 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -32,6 +32,7 @@
#include <linux/inet.h>
#include <linux/pagemap.h>
#include <linux/idr.h>
+#include <linux/sched.h>
#include "debug.h"
#include "v9fs.h"
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index 775e26e82cb..d93960429c0 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -33,6 +33,7 @@
#include <linux/inet.h>
#include <linux/namei.h>
#include <linux/idr.h>
+#include <linux/sched.h>
#include "debug.h"
#include "v9fs.h"
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 7624821729a..c76cd8fa3f6 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -33,6 +33,7 @@
#include <linux/inet.h>
#include <linux/namei.h>
#include <linux/idr.h>
+#include <linux/sched.h>
#include "debug.h"
#include "v9fs.h"
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 8eb9263a67b..7bdf8b32684 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -36,6 +36,7 @@
#include <linux/seq_file.h>
#include <linux/mount.h>
#include <linux/idr.h>
+#include <linux/sched.h>
#include "debug.h"
#include "v9fs.h"