proc: move /proc/buddyinfo boilerplate to mm/vmstat.c (8f32f7e5) · Commits · e / devices / android_kernel_xiaomi_markw

fs/proc/proc_misc.c

+0 −14

Original line number	Diff line number	Diff line
		@@ -57,19 +57,6 @@
		#include <asm/div64.h>
		#include "internal.h"

		static int fragmentation_open(struct inode inode, struct file file)
		{
		(void)inode;
		return seq_open(file, &fragmentation_op);
		}

		static const struct file_operations fragmentation_file_operations = {
		.open = fragmentation_open,
		.read = seq_read,
		.llseek = seq_lseek,
		.release = seq_release,
		};

		static int pagetypeinfo_open(struct inode inode, struct file file)
		{
		return seq_open(file, &pagetypeinfo_op);
		@@ -270,7 +257,6 @@ void __init proc_misc_init(void)
		proc_symlink("mounts", NULL, "self/mounts");

		/* And now for trickier ones */
		proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
		proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
		proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
		proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);

include/linux/vmstat.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -54,7 +54,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
		NR_VM_EVENT_ITEMS
		};

		extern const struct seq_operations fragmentation_op;
		extern const struct seq_operations pagetypeinfo_op;
		extern const struct seq_operations zoneinfo_op;
		extern const struct seq_operations vmstat_op;

mm/vmstat.c

+21 −4

Original line number	Diff line number	Diff line
		@@ -8,7 +8,7 @@
		* Copyright (C) 2006 Silicon Graphics, Inc.,
		* Christoph Lameter <christoph@lameter.com>
		*/

		#include <linux/fs.h>
		#include <linux/mm.h>
		#include <linux/err.h>
		#include <linux/module.h>
		@@ -384,7 +384,7 @@ void zone_statistics(struct zone preferred_zone, struct zone z)
		#endif

		#ifdef CONFIG_PROC_FS

		#include <linux/proc_fs.h>
		#include <linux/seq_file.h>

		static char * const migratetype_names[MIGRATE_TYPES] = {
		@@ -581,13 +581,25 @@ static int pagetypeinfo_show(struct seq_file m, void arg)
		return 0;
		}

		const struct seq_operations fragmentation_op = {
		static const struct seq_operations fragmentation_op = {
		.start = frag_start,
		.next = frag_next,
		.stop = frag_stop,
		.show = frag_show,
		};

		static int fragmentation_open(struct inode inode, struct file file)
		{
		return seq_open(file, &fragmentation_op);
		}

		static const struct file_operations fragmentation_file_operations = {
		.open = fragmentation_open,
		.read = seq_read,
		.llseek = seq_lseek,
		.release = seq_release,
		};

		const struct seq_operations pagetypeinfo_op = {
		.start = frag_start,
		.next = frag_next,
		@@ -898,9 +910,11 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,

		static struct notifier_block __cpuinitdata vmstat_notifier =
		{ &vmstat_cpuup_callback, NULL, 0 };
		#endif

		static int __init setup_vmstat(void)
		{
		#ifdef CONFIG_SMP
		int cpu;

		refresh_zone_stat_thresholds();
		@@ -908,7 +922,10 @@ static int __init setup_vmstat(void)

		for_each_online_cpu(cpu)
		start_cpu_timer(cpu);
		#endif
		#ifdef CONFIG_PROC_FS
		proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
		#endif
		return 0;
		}
		module_init(setup_vmstat)
		#endif