Merge branch 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc

* 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc: (35 commits)
  proc: remove fs/proc/proc_misc.c
  proc: move /proc/vmcore creation to fs/proc/vmcore.c
  proc: move pagecount stuff to fs/proc/page.c
  proc: move all /proc/kcore stuff to fs/proc/kcore.c
  proc: move /proc/schedstat boilerplate to kernel/sched_stats.h
  proc: move /proc/modules boilerplate to kernel/module.c
  proc: move /proc/diskstats boilerplate to block/genhd.c
  proc: move /proc/zoneinfo boilerplate to mm/vmstat.c
  proc: move /proc/vmstat boilerplate to mm/vmstat.c
  proc: move /proc/pagetypeinfo boilerplate to mm/vmstat.c
  proc: move /proc/buddyinfo boilerplate to mm/vmstat.c
  proc: move /proc/vmallocinfo to mm/vmalloc.c
  proc: move /proc/slabinfo boilerplate to mm/slub.c, mm/slab.c
  proc: move /proc/slab_allocators boilerplate to mm/slab.c
  proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c
  proc: move /proc/stat to fs/proc/stat.c
  proc: move rest of /proc/partitions code to block/genhd.c
  proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c
  proc: move /proc/devices code to fs/proc/devices.c
  proc: move rest of /proc/locks to fs/locks.c
  ...

12 files changed, 84 insertions, 99 deletions

diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index 0a3f9e8ebde0..ab9862c3a136 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/rtc.h>
@@ -93,7 +94,7 @@ static char amiga_model_name[13] = "Amiga ";
 
 static void amiga_sched_init(irq_handler_t handler);
 static void amiga_get_model(char *model);
-static int amiga_get_hardware_list(char *buffer);
+static void amiga_get_hardware_list(struct seq_file *m);
 /* amiga specific timer functions */
 static unsigned long amiga_gettimeoffset(void);
 static int a3000_hwclk(int, struct rtc_time *);
@@ -911,13 +912,11 @@ static void amiga_get_model(char *model)
 }
 
 
-static int amiga_get_hardware_list(char *buffer)
+static void amiga_get_hardware_list(struct seq_file *m)
 {
-	int len = 0;
-
 	if (AMIGAHW_PRESENT(CHIP_RAM))
-		len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
-	len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
+		seq_printf(m, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
+	seq_printf(m, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
 			amiga_psfreq, amiga_eclock);
 	if (AMIGAHW_PRESENT(AMI_VIDEO)) {
 		char *type;
@@ -935,14 +934,14 @@ static int amiga_get_hardware_list(char *buffer)
 			type = "Old or Unknown";
 			break;
 		}
-		len += sprintf(buffer+len, "Graphics:\t%s\n", type);
+		seq_printf(m, "Graphics:\t%s\n", type);
 	}
 
 #define AMIGAHW_ANNOUNCE(name, str)			\
 	if (AMIGAHW_PRESENT(name))			\
-		len += sprintf (buffer+len, "\t%s\n", str)
+		seq_printf (m, "\t%s\n", str)
 
-	len += sprintf (buffer + len, "Detected hardware:\n");
+	seq_printf (m, "Detected hardware:\n");
 
 	AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
 	AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
@@ -975,15 +974,13 @@ static int amiga_get_hardware_list(char *buffer)
 	AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
 #ifdef CONFIG_ZORRO
 	if (AMIGAHW_PRESENT(ZORRO))
-		len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion "
+		seq_printf(m, "\tZorro II%s AutoConfig: %d Expansion "
 				"Device%s\n",
 				AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
 				zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
 #endif /* CONFIG_ZORRO */
 
 #undef AMIGAHW_ANNOUNCE
-
-	return len;
 }
 
 /*
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
index af031855f796..49c28cdbea5c 100644
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -26,6 +26,7 @@
 
 #include <linux/types.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/console.h>
 #include <linux/init.h>
 #include <linux/delay.h>
@@ -63,7 +64,7 @@ int atari_rtc_year_offset;
 /* local function prototypes */
 static void atari_reset(void);
 static void atari_get_model(char *model);
-static int atari_get_hardware_list(char *buffer);
+static void atari_get_hardware_list(struct seq_file *m);
 
 /* atari specific irq functions */
 extern void atari_init_IRQ (void);
@@ -611,21 +612,21 @@ static void atari_get_model(char *model)
 }
 
 
-static int atari_get_hardware_list(char *buffer)
+static void atari_get_hardware_list(struct seq_file *m)
 {
-	int len = 0, i;
+	int i;
 
 	for (i = 0; i < m68k_num_memory; i++)
-		len += sprintf(buffer+len, "\t%3ld MB at 0x%08lx (%s)\n",
+		seq_printf(m, "\t%3ld MB at 0x%08lx (%s)\n",
 				m68k_memory[i].size >> 20, m68k_memory[i].addr,
 				(m68k_memory[i].addr & 0xff000000 ?
 				 "alternate RAM" : "ST-RAM"));
 
 #define ATARIHW_ANNOUNCE(name, str)			\
 	if (ATARIHW_PRESENT(name))			\
-		len += sprintf(buffer + len, "\t%s\n", str)
+		seq_printf(m, "\t%s\n", str)
 
-	len += sprintf(buffer + len, "Detected hardware:\n");
+	seq_printf(m, "Detected hardware:\n");
 	ATARIHW_ANNOUNCE(STND_SHIFTER, "ST Shifter");
 	ATARIHW_ANNOUNCE(EXTD_SHIFTER, "STe Shifter");
 	ATARIHW_ANNOUNCE(TT_SHIFTER, "TT Shifter");
@@ -654,6 +655,4 @@ static int atari_get_hardware_list(char *buffer)
 	ATARIHW_ANNOUNCE(BLITTER, "Blitter");
 	ATARIHW_ANNOUNCE(VME, "VME Bus");
 	ATARIHW_ANNOUNCE(DSP56K, "DSP56001 processor");
-
-	return len;
 }
diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c
index 04c69ffbea71..6ec3b7f33779 100644
--- a/arch/m68k/atari/stram.c
+++ b/arch/m68k/atari/stram.c
@@ -42,6 +42,7 @@
 /* abbrev for the && above... */
 #define DO_PROC
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #endif
 
 /*
@@ -323,19 +324,16 @@ static int remove_region( BLOCK *block )
 
 #ifdef DO_PROC
 
-#define	PRINT_PROC(fmt,args...) len += sprintf( buf+len, fmt, ##args )
+#define	PRINT_PROC(fmt,args...) seq_printf( m, fmt, ##args )
 
-int get_stram_list( char *buf )
+static int stram_proc_show(struct seq_file *m, void *v)
 {
-	int len = 0;
 	BLOCK *p;
 
 	PRINT_PROC("Total ST-RAM:      %8u kB\n",
 			   (stram_end - stram_start) >> 10);
 	PRINT_PROC( "Allocated regions:\n" );
 	for( p = alloc_list; p; p = p->next ) {
-		if (len + 50 >= PAGE_SIZE)
-			break;
 		PRINT_PROC("0x%08lx-0x%08lx: %s (",
 			   virt_to_phys(p->start),
 			   virt_to_phys(p->start+p->size-1),
@@ -346,9 +344,27 @@ int get_stram_list( char *buf )
 			PRINT_PROC( "??)\n" );
 	}
 
-	return( len );
+	return 0;
+}
+
+static int stram_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, stram_proc_show, NULL);
 }
 
+static const struct file_operations stram_proc_fops = {
+	.open		= stram_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_stram_init(void)
+{
+	proc_create("stram", 0, NULL, &stram_proc_fops);
+	return 0;
+}
+module_init(proc_stram_init);
 #endif
 
 
diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c
index 65c9204ab9ac..c072595928c0 100644
--- a/arch/m68k/bvme6000/config.c
+++ b/arch/m68k/bvme6000/config.c
@@ -38,7 +38,6 @@
 #include <asm/bvme6000hw.h>
 
 static void bvme6000_get_model(char *model);
-static int  bvme6000_get_hardware_list(char *buffer);
 extern void bvme6000_sched_init(irq_handler_t handler);
 extern unsigned long bvme6000_gettimeoffset (void);
 extern int bvme6000_hwclk (int, struct rtc_time *);
@@ -82,15 +81,6 @@ static void bvme6000_get_model(char *model)
     sprintf(model, "BVME%d000", m68k_cputype == CPU_68060 ? 6 : 4);
 }
 
-
-/* No hardware options on BVME6000? */
-
-static int bvme6000_get_hardware_list(char *buffer)
-{
-    *buffer = '\0';
-    return 0;
-}
-
 /*
  * This function is called during kernel startup to initialize
  * the bvme6000 IRQ handling routines.
@@ -127,7 +117,6 @@ void __init config_bvme6000(void)
     mach_set_clock_mmss	 = bvme6000_set_clock_mmss;
     mach_reset		 = bvme6000_reset;
     mach_get_model       = bvme6000_get_model;
-    mach_get_hardware_list = bvme6000_get_hardware_list;
 
     printk ("Board is %sconfigured as a System Controller\n",
 		*config_reg_ptr & BVME_CONFIG_SW1 ? "" : "not ");
diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c
index ea1e44da19b9..4d97bd2bd573 100644
--- a/arch/m68k/kernel/setup.c
+++ b/arch/m68k/kernel/setup.c
@@ -20,6 +20,7 @@
 #include <linux/string.h>
 #include <linux/init.h>
 #include <linux/bootmem.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/module.h>
 #include <linux/initrd.h>
@@ -80,7 +81,7 @@ void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL;
 /* machine dependent irq functions */
 void (*mach_init_IRQ) (void) __initdata = NULL;
 void (*mach_get_model) (char *model);
-int (*mach_get_hardware_list) (char *buffer);
+void (*mach_get_hardware_list) (struct seq_file *m);
 /* machine dependent timer functions */
 unsigned long (*mach_gettimeoffset) (void);
 int (*mach_hwclk) (int, struct rtc_time*);
@@ -467,9 +468,9 @@ const struct seq_operations cpuinfo_op = {
 	.show	= show_cpuinfo,
 };
 
-int get_hardware_list(char *buffer)
+#ifdef CONFIG_PROC_HARDWARE
+static int hardware_proc_show(struct seq_file *m, void *v)
 {
-	int len = 0;
 	char model[80];
 	unsigned long mem;
 	int i;
@@ -479,17 +480,37 @@ int get_hardware_list(char *buffer)
 	else
 		strcpy(model, "Unknown m68k");
 
-	len += sprintf(buffer + len, "Model:\t\t%s\n", model);
+	seq_printf(m, "Model:\t\t%s\n", model);
 	for (mem = 0, i = 0; i < m68k_num_memory; i++)
 		mem += m68k_memory[i].size;
-	len += sprintf(buffer + len, "System Memory:\t%ldK\n", mem >> 10);
+	seq_printf(m, "System Memory:\t%ldK\n", mem >> 10);
 
 	if (mach_get_hardware_list)
-		len += mach_get_hardware_list(buffer + len);
+		mach_get_hardware_list(m);
 
-	return len;
+	return 0;
+}
+
+static int hardware_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, hardware_proc_show, NULL);
 }
 
+static const struct file_operations hardware_proc_fops = {
+	.open		= hardware_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_hardware_init(void)
+{
+	proc_create("hardware", 0, NULL, &hardware_proc_fops);
+	return 0;
+}
+module_init(proc_hardware_init);
+#endif
+
 void check_bugs(void)
 {
 #ifndef CONFIG_M68KFPU_EMU
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index 92fe50714112..43cdf476ffab 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -37,7 +37,6 @@
 
 
 static void mvme147_get_model(char *model);
-static int  mvme147_get_hardware_list(char *buffer);
 extern void mvme147_sched_init(irq_handler_t handler);
 extern unsigned long mvme147_gettimeoffset (void);
 extern int mvme147_hwclk (int, struct rtc_time *);
@@ -76,14 +75,6 @@ static void mvme147_get_model(char *model)
 	sprintf(model, "Motorola MVME147");
 }
 
-
-static int mvme147_get_hardware_list(char *buffer)
-{
-	*buffer = '\0';
-
-	return 0;
-}
-
 /*
  * This function is called during kernel startup to initialize
  * the mvme147 IRQ handling routines.
@@ -104,7 +95,6 @@ void __init config_mvme147(void)
 	mach_set_clock_mmss	= mvme147_set_clock_mmss;
 	mach_reset		= mvme147_reset;
 	mach_get_model		= mvme147_get_model;
-	mach_get_hardware_list	= mvme147_get_hardware_list;
 
 	/* Board type is only set by newer versions of vmelilo/tftplilo */
 	if (!vme_brdtype)
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index 24cbc3030454..1521826fc3c7 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -17,6 +17,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/linkage.h>
@@ -42,7 +43,6 @@ extern t_bdid mvme_bdid;
 static MK48T08ptr_t volatile rtc = (MK48T08ptr_t)MVME_RTC_BASE;
 
 static void mvme16x_get_model(char *model);
-static int  mvme16x_get_hardware_list(char *buffer);
 extern void mvme16x_sched_init(irq_handler_t handler);
 extern unsigned long mvme16x_gettimeoffset (void);
 extern int mvme16x_hwclk (int, struct rtc_time *);
@@ -93,26 +93,21 @@ static void mvme16x_get_model(char *model)
 }
 
 
-static int mvme16x_get_hardware_list(char *buffer)
+static void mvme16x_get_hardware_list(struct seq_file *m)
 {
     p_bdid p = &mvme_bdid;
-    int len = 0;
 
     if (p->brdno == 0x0162 || p->brdno == 0x0172)
     {
 	unsigned char rev = *(unsigned char *)MVME162_VERSION_REG;
 
-	len += sprintf (buffer+len, "VMEchip2        %spresent\n",
+	seq_printf (m, "VMEchip2        %spresent\n",
 			rev & MVME16x_CONFIG_NO_VMECHIP2 ? "NOT " : "");
-	len += sprintf (buffer+len, "SCSI interface  %spresent\n",
+	seq_printf (m, "SCSI interface  %spresent\n",
 			rev & MVME16x_CONFIG_NO_SCSICHIP ? "NOT " : "");
-	len += sprintf (buffer+len, "Ethernet i/f    %spresent\n",
+	seq_printf (m, "Ethernet i/f    %spresent\n",
 			rev & MVME16x_CONFIG_NO_ETHERNET ? "NOT " : "");
     }
-    else
-	*buffer = '\0';
-
-    return (len);
 }
 
 /*
diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index 9c7eefa3f98a..7110546e3c00 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -39,7 +39,6 @@
 extern irqreturn_t q40_process_int(int level, struct pt_regs *regs);
 extern void q40_init_IRQ(void);
 static void q40_get_model(char *model);
-static int  q40_get_hardware_list(char *buffer);
 extern void q40_sched_init(irq_handler_t handler);
 
 static unsigned long q40_gettimeoffset(void);
@@ -153,14 +152,6 @@ static void q40_get_model(char *model)
 	sprintf(model, "Q40");
 }
 
-/* No hardware options on Q40? */
-
-static int q40_get_hardware_list(char *buffer)
-{
-	*buffer = '\0';
-	return 0;
-}
-
 static unsigned int serports[] =
 {
 	0x3f8,0x2f8,0x3e8,0x2e8,0
@@ -191,7 +182,6 @@ void __init config_q40(void)
 
 	mach_reset = q40_reset;
 	mach_get_model = q40_get_model;
-	mach_get_hardware_list = q40_get_hardware_list;
 
 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
 	mach_beep = q40_mksound;
diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index 732087d0735c..8dfaa201342e 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -11,6 +11,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/init.h>
@@ -46,16 +47,9 @@ extern volatile unsigned char* sun3_intreg;
 extern unsigned long availmem;
 unsigned long num_pages;
 
-static int sun3_get_hardware_list(char *buffer)
+static void sun3_get_hardware_list(struct seq_file *m)
 {
-
-	int len = 0;
-
-	len += sprintf(buffer + len, "PROM Revision:\t%s\n",
-		       romvec->pv_monid);
-
-	return len;
-
+	seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid);
 }
 
 void __init sun3_init(void)
diff --git a/arch/m68k/sun3x/config.c b/arch/m68k/sun3x/config.c
index 987891783a47..2b1ca2db070f 100644
--- a/arch/m68k/sun3x/config.c
+++ b/arch/m68k/sun3x/config.c
@@ -8,6 +8,7 @@
 
 #include <linux/types.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/console.h>
 #include <linux/init.h>
 
@@ -31,16 +32,9 @@ void sun3_leds(unsigned int i)
 
 }
 
-static int sun3x_get_hardware_list(char *buffer)
+static void sun3x_get_hardware_list(struct seq_file *m)
 {
-
-	int len = 0;
-
-	len += sprintf(buffer + len, "PROM Revision:\t%s\n",
-		       romvec->pv_monid);
-
-	return len;
-
+	seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid);
 }
 
 /*
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index fb7d1e9985b5..c012f3b11671 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -348,7 +348,8 @@ static inline void native_pagetable_setup_start(pgd_t *base) {}
 static inline void native_pagetable_setup_done(pgd_t *base) {}
 #endif
 
-extern int arch_report_meminfo(char *page);
+struct seq_file;
+extern void arch_report_meminfo(struct seq_file *m);
 
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 407d8784f669..f1dc1b75d166 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -65,23 +65,22 @@ static void split_page_count(int level)
 	direct_pages_count[level - 1] += PTRS_PER_PTE;
 }
 
-int arch_report_meminfo(char *page)
+void arch_report_meminfo(struct seq_file *m)
 {
-	int n = sprintf(page, "DirectMap4k:  %8lu kB\n",
+	seq_printf(m, "DirectMap4k:  %8lu kB\n",
 			direct_pages_count[PG_LEVEL_4K] << 2);
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
-	n += sprintf(page + n, "DirectMap2M:  %8lu kB\n",
+	seq_printf(m, "DirectMap2M:  %8lu kB\n",
 			direct_pages_count[PG_LEVEL_2M] << 11);
 #else
-	n += sprintf(page + n, "DirectMap4M:  %8lu kB\n",
+	seq_printf(m, "DirectMap4M:  %8lu kB\n",
 			direct_pages_count[PG_LEVEL_2M] << 12);
 #endif
 #ifdef CONFIG_X86_64
 	if (direct_gbpages)
-		n += sprintf(page + n, "DirectMap1G:  %8lu kB\n",
+		seq_printf(m, "DirectMap1G:  %8lu kB\n",
 			direct_pages_count[PG_LEVEL_1G] << 20);
 #endif
-	return n;
 }
 #else
 static inline void split_page_count(int level) { }