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authorYinghai Lu <yhlu.kernel@gmail.com>2008-08-19 20:50:54 -0700
committerIngo Molnar <mingo@elte.hu>2008-10-16 16:52:58 +0200
commite7f5ed8d6e921c6200ce5e2549a86db629f2dd11 (patch)
tree377e3a1876d3c8bf7703794e94a769e112808cc7 /init
parent2b46b37de73296018da02c2a421ac2a9cbccfa9f (diff)
dyn_array: split dyn_array functions from init/main.c
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'init')
-rw-r--r--init/Makefile2
-rw-r--r--init/dyn_array.c124
-rw-r--r--init/main.c118
3 files changed, 125 insertions, 119 deletions
diff --git a/init/Makefile b/init/Makefile
index 4a243df426f7..dc5eeca6eb6d 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -2,7 +2,7 @@
# Makefile for the linux kernel.
#
-obj-y := main.o version.o mounts.o
+obj-y := main.o dyn_array.o version.o mounts.o
ifneq ($(CONFIG_BLK_DEV_INITRD),y)
obj-y += noinitramfs.o
else
diff --git a/init/dyn_array.c b/init/dyn_array.c
new file mode 100644
index 000000000000..c4cd902a1180
--- /dev/null
+++ b/init/dyn_array.c
@@ -0,0 +1,124 @@
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/kallsyms.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/irq.h>
+
+void __init pre_alloc_dyn_array(void)
+{
+#ifdef CONFIG_HAVE_DYN_ARRAY
+ unsigned long total_size = 0, size, phys;
+ unsigned long max_align = 1;
+ struct dyn_array **daa;
+ char *ptr;
+
+ /* get the total size at first */
+ for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
+ struct dyn_array *da = *daa;
+
+ size = da->size * (*da->nr);
+ print_fn_descriptor_symbol("dyn_array %s ", da->name);
+ printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
+ da->size, *da->nr, da->align);
+ total_size += roundup(size, da->align);
+ if (da->align > max_align)
+ max_align = da->align;
+ }
+ if (total_size)
+ printk(KERN_DEBUG "dyn_array total_size: %#lx\n",
+ total_size);
+ else
+ return;
+
+ /* allocate them all together */
+ max_align = max_t(unsigned long, max_align, PAGE_SIZE);
+ ptr = __alloc_bootmem_nopanic(total_size, max_align, 0);
+ if (!ptr)
+ panic("Can not alloc dyn_alloc\n");
+
+ phys = virt_to_phys(ptr);
+ for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
+ struct dyn_array *da = *daa;
+
+ size = da->size * (*da->nr);
+ print_fn_descriptor_symbol("dyn_array %s ", da->name);
+
+ phys = roundup(phys, da->align);
+ *da->name = phys_to_virt(phys);
+ printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
+
+ phys += size;
+
+ if (da->init_work)
+ da->init_work(da);
+ }
+#else
+#ifdef CONFIF_GENERIC_HARDIRQS
+ unsigned int i;
+
+ for (i = 0; i < NR_IRQS; i++)
+ irq_desc[i].irq = i;
+#endif
+#endif
+}
+
+unsigned long __init per_cpu_dyn_array_size(unsigned long *align)
+{
+ unsigned long total_size = 0;
+#ifdef CONFIG_HAVE_DYN_ARRAY
+ unsigned long size;
+ struct dyn_array **daa;
+ unsigned max_align = 1;
+
+ for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
+ struct dyn_array *da = *daa;
+
+ size = da->size * (*da->nr);
+ print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
+ printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
+ da->size, *da->nr, da->align);
+ total_size += roundup(size, da->align);
+ if (da->align > max_align)
+ max_align = da->align;
+ }
+ if (total_size) {
+ printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n",
+ total_size);
+ *align = max_align;
+ }
+#endif
+ return total_size;
+}
+
+void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
+{
+#ifdef CONFIG_HAVE_DYN_ARRAY
+ unsigned long size, phys;
+ struct dyn_array **daa;
+ unsigned long addr;
+ void **array;
+
+ phys = virt_to_phys(ptr);
+ for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
+ struct dyn_array *da = *daa;
+
+ size = da->size * (*da->nr);
+ print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
+
+ phys = roundup(phys, da->align);
+ addr = (unsigned long)da->name;
+ addr += per_cpu_offset(cpu);
+ array = (void **)addr;
+ *array = phys_to_virt(phys);
+ *da->name = *array; /* so init_work could use it directly */
+ printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
+
+ phys += size;
+
+ if (da->init_work) {
+ da->init_work(da);
+ }
+ }
+#endif
+}
diff --git a/init/main.c b/init/main.c
index 0d2e60144f83..e81cf427d9c7 100644
--- a/init/main.c
+++ b/init/main.c
@@ -542,124 +542,6 @@ void __init __weak thread_info_cache_init(void)
{
}
-void pre_alloc_dyn_array(void)
-{
-#ifdef CONFIG_HAVE_DYN_ARRAY
- unsigned long total_size = 0, size, phys;
- unsigned long max_align = 1;
- struct dyn_array **daa;
- char *ptr;
-
- /* get the total size at first */
- for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
- struct dyn_array *da = *daa;
-
- size = da->size * (*da->nr);
- print_fn_descriptor_symbol("dyn_array %s ", da->name);
- printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
- da->size, *da->nr, da->align);
- total_size += roundup(size, da->align);
- if (da->align > max_align)
- max_align = da->align;
- }
- if (total_size)
- printk(KERN_DEBUG "dyn_array total_size: %#lx\n",
- total_size);
- else
- return;
-
- /* allocate them all together */
- max_align = max_t(unsigned long, max_align, PAGE_SIZE);
- ptr = __alloc_bootmem_nopanic(total_size, max_align, 0);
- if (!ptr)
- panic("Can not alloc dyn_alloc\n");
-
- phys = virt_to_phys(ptr);
- for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
- struct dyn_array *da = *daa;
-
- size = da->size * (*da->nr);
- print_fn_descriptor_symbol("dyn_array %s ", da->name);
-
- phys = roundup(phys, da->align);
- *da->name = phys_to_virt(phys);
- printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
-
- phys += size;
-
- if (da->init_work)
- da->init_work(da);
- }
-#else
-#ifdef CONFIF_GENERIC_HARDIRQS
- unsigned int i;
-
- for (i = 0; i < NR_IRQS; i++)
- irq_desc[i].irq = i;
-#endif
-#endif
-}
-
-unsigned long per_cpu_dyn_array_size(unsigned long *align)
-{
- unsigned long total_size = 0;
-#ifdef CONFIG_HAVE_DYN_ARRAY
- unsigned long size;
- struct dyn_array **daa;
- unsigned max_align = 1;
-
- for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
- struct dyn_array *da = *daa;
-
- size = da->size * (*da->nr);
- print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
- printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
- da->size, *da->nr, da->align);
- total_size += roundup(size, da->align);
- if (da->align > max_align)
- max_align = da->align;
- }
- if (total_size) {
- printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n",
- total_size);
- *align = max_align;
- }
-#endif
- return total_size;
-}
-
-void per_cpu_alloc_dyn_array(int cpu, char *ptr)
-{
-#ifdef CONFIG_HAVE_DYN_ARRAY
- unsigned long size, phys;
- struct dyn_array **daa;
- unsigned long addr;
- void **array;
-
- phys = virt_to_phys(ptr);
- for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
- struct dyn_array *da = *daa;
-
- size = da->size * (*da->nr);
- print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
-
- phys = roundup(phys, da->align);
- addr = (unsigned long)da->name;
- addr += per_cpu_offset(cpu);
- array = (void **)addr;
- *array = phys_to_virt(phys);
- *da->name = *array; /* so init_work could use it directly */
- printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
-
- phys += size;
-
- if (da->init_work) {
- da->init_work(da);
- }
- }
-#endif
-}
-
asmlinkage void __init start_kernel(void)
{
char * command_line;