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authorTejun Heo <tj@kernel.org>2010-03-24 17:04:11 +0900
committerTejun Heo <tj@kernel.org>2010-03-30 22:02:32 +0900
commit5a0e3ad6af8660be21ca98a971cd00f331318c05 (patch)
tree5bfb7be11a03176a87296a43ac6647975c00a1d1 /arch/ia64
parented391f4ebf8f701d3566423ce8f17e614cde9806 (diff)
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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/include/asm/dmi.h1
-rw-r--r--arch/ia64/kernel/acpi-ext.c1
-rw-r--r--arch/ia64/kernel/acpi.c1
-rw-r--r--arch/ia64/kernel/cpufreq/acpi-cpufreq.c1
-rw-r--r--arch/ia64/kernel/efi.c1
-rw-r--r--arch/ia64/kernel/iosapic.c1
-rw-r--r--arch/ia64/kernel/irq_ia64.c1
-rw-r--r--arch/ia64/kernel/mca.c1
-rw-r--r--arch/ia64/kernel/mca_drv.c1
-rw-r--r--arch/ia64/kernel/pci-swiotlb.c1
-rw-r--r--arch/ia64/kernel/perfmon.c1
-rw-r--r--arch/ia64/kernel/process.c2
-rw-r--r--arch/ia64/kernel/ptrace.c1
-rw-r--r--arch/ia64/kernel/topology.c1
-rw-r--r--arch/ia64/kernel/uncached.c2
-rw-r--r--arch/ia64/kvm/kvm-ia64.c2
-rw-r--r--arch/ia64/mm/discontig.c1
-rw-r--r--arch/ia64/mm/hugetlbpage.c1
-rw-r--r--arch/ia64/mm/tlb.c1
-rw-r--r--arch/ia64/sn/kernel/bte.c1
-rw-r--r--arch/ia64/sn/kernel/io_acpi_init.c1
-rw-r--r--arch/ia64/sn/kernel/io_common.c1
-rw-r--r--arch/ia64/sn/kernel/io_init.c1
-rw-r--r--arch/ia64/sn/kernel/irq.c1
-rw-r--r--arch/ia64/sn/kernel/msi_sn.c1
-rw-r--r--arch/ia64/sn/pci/pci_dma.c1
-rw-r--r--arch/ia64/sn/pci/pcibr/pcibr_provider.c1
-rw-r--r--arch/ia64/sn/pci/tioca_provider.c1
-rw-r--r--arch/ia64/sn/pci/tioce_provider.c1
-rw-r--r--arch/ia64/xen/grant-table.c1
30 files changed, 27 insertions, 6 deletions
diff --git a/arch/ia64/include/asm/dmi.h b/arch/ia64/include/asm/dmi.h
index 00eb1b130b6..1ed4c8fedb8 100644
--- a/arch/ia64/include/asm/dmi.h
+++ b/arch/ia64/include/asm/dmi.h
@@ -1,6 +1,7 @@
#ifndef _ASM_DMI_H
#define _ASM_DMI_H 1
+#include <linux/slab.h>
#include <asm/io.h>
/* Use normal IO mappings for DMI */
diff --git a/arch/ia64/kernel/acpi-ext.c b/arch/ia64/kernel/acpi-ext.c
index b7515bc808a..8b9318d311a 100644
--- a/arch/ia64/kernel/acpi-ext.c
+++ b/arch/ia64/kernel/acpi-ext.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/types.h>
+#include <linux/slab.h>
#include <linux/acpi.h>
#include <asm/acpi-ext.h>
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index f1c9f70b4e4..4d1a7e9314c 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -44,6 +44,7 @@
#include <linux/efi.h>
#include <linux/mmzone.h>
#include <linux/nodemask.h>
+#include <linux/slab.h>
#include <acpi/processor.h>
#include <asm/io.h>
#include <asm/iosapic.h>
diff --git a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
index 7b435451b3d..b0b4e6e710f 100644
--- a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
+++ b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
@@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index c745d0aeb6e..a0f00192850 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -26,6 +26,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
+#include <linux/slab.h>
#include <linux/time.h>
#include <linux/efi.h>
#include <linux/kexec.h>
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 95ac77aeae9..7ded76658d2 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -86,6 +86,7 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/smp.h>
#include <linux/string.h>
#include <linux/bootmem.h>
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index d4093a173a3..640479304ac 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -22,7 +22,6 @@
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/kernel_stat.h>
-#include <linux/slab.h>
#include <linux/ptrace.h>
#include <linux/random.h> /* for rand_initialize_irq() */
#include <linux/signal.h>
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 378b4833024..a0220dc5ff4 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -85,6 +85,7 @@
#include <linux/cpumask.h>
#include <linux/kdebug.h>
#include <linux/cpu.h>
+#include <linux/gfp.h>
#include <asm/delay.h>
#include <asm/machvec.h>
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index f94aaa86933..09b4d6828c4 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -22,6 +22,7 @@
#include <linux/smp.h>
#include <linux/workqueue.h>
#include <linux/mm.h>
+#include <linux/slab.h>
#include <asm/delay.h>
#include <asm/machvec.h>
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 53292abf846..3095654f9ab 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -1,6 +1,7 @@
/* Glue code to lib/swiotlb.c */
#include <linux/pci.h>
+#include <linux/gfp.h>
#include <linux/cache.h>
#include <linux/module.h>
#include <linux/dma-mapping.h>
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 703062c44fb..ab985f785c1 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -41,6 +41,7 @@
#include <linux/rcupdate.h>
#include <linux/completion.h>
#include <linux/tracehook.h>
+#include <linux/slab.h>
#include <asm/errno.h>
#include <asm/intrinsics.h>
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index d92765cae10..53f1648c8b8 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -15,11 +15,11 @@
#include <linux/kallsyms.h>
#include <linux/kernel.h>
#include <linux/mm.h>
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/notifier.h>
#include <linux/personality.h>
#include <linux/sched.h>
-#include <linux/slab.h>
#include <linux/stddef.h>
#include <linux/thread_info.h>
#include <linux/unistd.h>
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index b61afbbe076..0dec7f70244 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -11,7 +11,6 @@
*/
#include <linux/kernel.h>
#include <linux/sched.h>
-#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index b3a5818088d..28f299de290 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/node.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/nodemask.h>
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index a595823582d..c4696d217ce 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -18,9 +18,9 @@
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/string.h>
-#include <linux/slab.h>
#include <linux/efi.h>
#include <linux/genalloc.h>
+#include <linux/gfp.h>
#include <asm/page.h>
#include <asm/pal.h>
#include <asm/system.h>
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 26e0e089bfe..73c5c2b05f6 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -23,8 +23,8 @@
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/percpu.h>
-#include <linux/gfp.h>
#include <linux/fs.h>
+#include <linux/slab.h>
#include <linux/smp.h>
#include <linux/kvm_host.h>
#include <linux/kvm.h>
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 8d586d1e251..61620323bb6 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -22,6 +22,7 @@
#include <linux/acpi.h>
#include <linux/efi.h>
#include <linux/nodemask.h>
+#include <linux/slab.h>
#include <asm/pgalloc.h>
#include <asm/tlb.h>
#include <asm/meminit.h>
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index b0f615759e9..1841ee7e65f 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -14,7 +14,6 @@
#include <linux/hugetlb.h>
#include <linux/pagemap.h>
#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/sysctl.h>
#include <linux/log2.h>
#include <asm/mman.h>
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index f3de9d7a98b..5dfd916e9ea 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -22,6 +22,7 @@
#include <linux/smp.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
+#include <linux/slab.h>
#include <asm/delay.h>
#include <asm/mmu_context.h>
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index c6d6b62db66..cad775a1a15 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -19,6 +19,7 @@
#include <linux/bootmem.h>
#include <linux/string.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <asm/sn/bte.h>
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index 66f633bff05..8cdcb173a13 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -13,6 +13,7 @@
#include <asm/sn/sn_sal.h>
#include "xtalk/hubdev.h"
#include <linux/acpi.h>
+#include <linux/slab.h>
/*
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 308e6595110..4433dd019d3 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -7,6 +7,7 @@
*/
#include <linux/bootmem.h>
+#include <linux/slab.h>
#include <asm/sn/types.h>
#include <asm/sn/addrs.h>
#include <asm/sn/sn_feature_sets.h>
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index ee774c366a0..98079f29d9a 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -6,6 +6,7 @@
* Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
*/
+#include <linux/slab.h>
#include <asm/sn/types.h>
#include <asm/sn/addrs.h>
#include <asm/sn/io.h>
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 40d6eeda1c4..13c15d96809 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -12,6 +12,7 @@
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/rculist.h>
+#include <linux/slab.h>
#include <asm/sn/addrs.h>
#include <asm/sn/arch.h>
#include <asm/sn/intr.h>
diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c
index fbbfb970120..ebfdd6a9ae1 100644
--- a/arch/ia64/sn/kernel/msi_sn.c
+++ b/arch/ia64/sn/kernel/msi_sn.c
@@ -11,6 +11,7 @@
#include <linux/pci.h>
#include <linux/cpumask.h>
#include <linux/msi.h>
+#include <linux/slab.h>
#include <asm/sn/addrs.h>
#include <asm/sn/intr.h>
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 98b684928e1..a9d310de57d 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -9,6 +9,7 @@
* a description of how these routines should be used.
*/
+#include <linux/gfp.h>
#include <linux/module.h>
#include <linux/dma-mapping.h>
#include <asm/dma.h>
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index d13e5a22a55..3cb5cf37764 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -8,6 +8,7 @@
#include <linux/interrupt.h>
#include <linux/types.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <asm/sn/addrs.h>
#include <asm/sn/geo.h>
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index efb454534e5..4d4536e3b6f 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -10,6 +10,7 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/bitmap.h>
+#include <linux/slab.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
#include <asm/sn/io.h>
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 012f3b82ee5..27faba035f3 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -8,6 +8,7 @@
#include <linux/types.h>
#include <linux/interrupt.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
diff --git a/arch/ia64/xen/grant-table.c b/arch/ia64/xen/grant-table.c
index 777dd9a9108..48cca37625e 100644
--- a/arch/ia64/xen/grant-table.c
+++ b/arch/ia64/xen/grant-table.c
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/vmalloc.h>
+#include <linux/slab.h>
#include <linux/mm.h>
#include <xen/interface/xen.h>