/proc/pid/pagemap: fix PM_SPECIAL macro

[sfrench/cifs-2.6.git] / fs / proc / task_mmu.c

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 38338ed98cc6df167febbe2fc962f55a700bfb19..6dc0334815f7f1243691ff714b175e2bc2b4dd54 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -9,13 +9,14 @@
 #include <linux/mempolicy.h>
 #include <linux/swap.h>
 #include <linux/swapops.h>
+#include <linux/seq_file.h>
 
 #include <asm/elf.h>
 #include <asm/uaccess.h>
 #include <asm/tlbflush.h>
 #include "internal.h"
 
-char *task_mem(struct mm_struct *mm, char *buffer)
+void task_mem(struct seq_file *m, struct mm_struct *mm)
 {
        unsigned long data, text, lib;
        unsigned long hiwater_vm, total_vm, hiwater_rss, total_rss;
@@ -37,7 +38,7 @@ char *task_mem(struct mm_struct *mm, char *buffer)
        data = mm->total_vm - mm->shared_vm - mm->stack_vm;
        text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK)) >> 10;
        lib = (mm->exec_vm << (PAGE_SHIFT-10)) - text;
-       buffer += sprintf(buffer,
+       seq_printf(m,
                "VmPeak:\t%8lu kB\n"
                "VmSize:\t%8lu kB\n"
                "VmLck:\t%8lu kB\n"
@@ -56,7 +57,6 @@ char *task_mem(struct mm_struct *mm, char *buffer)
                data << (PAGE_SHIFT-10),
                mm->stack_vm << (PAGE_SHIFT-10), text, lib,
                (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10);
-       return buffer;
 }
 
 unsigned long task_vsize(struct mm_struct *mm)
@@ -75,7 +75,7 @@ int task_statm(struct mm_struct *mm, int *shared, int *text,
        return mm->total_vm;
 }
 
-int proc_exe_link(struct inode *inode, struct dentry **dentry, struct vfsmount **mnt)
+int proc_exe_link(struct inode *inode, struct path *path)
 {
        struct vm_area_struct * vma;
        int result = -ENOENT;
@@ -98,8 +98,8 @@ int proc_exe_link(struct inode *inode, struct dentry **dentry, struct vfsmount *
        }
 
        if (vma) {
-               *mnt = mntget(vma->vm_file->f_path.mnt);
-               *dentry = dget(vma->vm_file->f_path.dentry);
+               *path = vma->vm_file->f_path;
+               path_get(&vma->vm_file->f_path);
                result = 0;
        }
 
@@ -216,7 +216,7 @@ static void m_stop(struct seq_file *m, void *v)
 }
 
 static int do_maps_open(struct inode *inode, struct file *file,
-                       struct seq_operations *ops)
+                       const struct seq_operations *ops)
 {
        struct proc_maps_private *priv;
        int ret = -ENOMEM;
@@ -271,7 +271,7 @@ static int show_map(struct seq_file *m, void *v)
         */
        if (file) {
                pad_len_spaces(m, len);
-               seq_path(m, file->f_path.mnt, file->f_path.dentry, "\n");
+               seq_path(m, &file->f_path, "\n");
        } else {
                const char *name = arch_vma_name(vma);
                if (!name) {
@@ -299,7 +299,7 @@ static int show_map(struct seq_file *m, void *v)
        return 0;
 }
 
-static struct seq_operations proc_pid_maps_op = {
+static const struct seq_operations proc_pid_maps_op = {
        .start  = m_start,
        .next   = m_next,
        .stop   = m_stop,
@@ -434,7 +434,7 @@ static int show_smap(struct seq_file *m, void *v)
        return ret;
 }
 
-static struct seq_operations proc_pid_smaps_op = {
+static const struct seq_operations proc_pid_smaps_op = {
        .start  = m_start,
        .next   = m_next,
        .stop   = m_stop,
@@ -531,7 +531,7 @@ struct pagemapread {
 #define PM_RESERVED_BITS    3
 #define PM_RESERVED_OFFSET  (64 - PM_RESERVED_BITS)
 #define PM_RESERVED_MASK    (((1LL<<PM_RESERVED_BITS)-1) << PM_RESERVED_OFFSET)
-#define PM_SPECIAL(nr)      (((nr) << PM_RESERVED_OFFSET) | PM_RESERVED_MASK)
+#define PM_SPECIAL(nr)      (((nr) << PM_RESERVED_OFFSET) & PM_RESERVED_MASK)
 #define PM_NOT_PRESENT      PM_SPECIAL(1LL)
 #define PM_SWAP             PM_SPECIAL(2LL)
 #define PM_END_OF_BUFFER    1
@@ -734,7 +734,7 @@ static int show_numa_map_checked(struct seq_file *m, void *v)
        return show_numa_map(m, v);
 }
 
-static struct seq_operations proc_pid_numa_maps_op = {
+static const struct seq_operations proc_pid_numa_maps_op = {
         .start  = m_start,
         .next   = m_next,
         .stop   = m_stop,