From: William Lee Irwin III <wli@holomorphy.com>

Remove the accounting overhead when CONFIG_PROC_FS is not defined.

Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 25-akpm/include/linux/mm.h |    8 ++++++++
 25-akpm/mm/mmap.c          |    2 ++
 2 files changed, 10 insertions(+)

diff -puN include/linux/mm.h~task-statm-no-procfs-fix include/linux/mm.h
--- 25/include/linux/mm.h~task-statm-no-procfs-fix	2004-08-25 00:33:03.883220080 -0700
+++ 25-akpm/include/linux/mm.h	2004-08-25 00:33:03.889219168 -0700
@@ -754,7 +754,15 @@ extern struct page * follow_page(struct 
 		int write);
 extern int remap_page_range(struct vm_area_struct *vma, unsigned long from,
 		unsigned long to, unsigned long size, pgprot_t prot);
+
+#ifdef CONFIG_PROC_FS
 void __vm_stat_account(struct mm_struct *, unsigned long, struct file *, long);
+#else
+static inline void __vm_stat_account(struct mm_struct *mm,
+			unsigned long flags, struct file *file, long pages)
+{
+}
+#endif /* CONFIG_PROC_FS */
 
 static inline void vm_stat_account(struct vm_area_struct *vma)
 {
diff -puN mm/mmap.c~task-statm-no-procfs-fix mm/mmap.c
--- 25/mm/mmap.c~task-statm-no-procfs-fix	2004-08-25 00:33:03.885219776 -0700
+++ 25-akpm/mm/mmap.c	2004-08-25 00:33:03.890219016 -0700
@@ -729,6 +729,7 @@ none:
 	return NULL;
 }
 
+#ifdef CONFIG_PROC_FS
 void __vm_stat_account(struct mm_struct *mm, unsigned long flags,
 						struct file *file, long pages)
 {
@@ -750,6 +751,7 @@ void __vm_stat_account(struct mm_struct 
 	if (flags & VM_EXEC)
 		mm->exec_vm += pages;
 }
+#endif /* CONFIG_PROC_FS */
 
 /*
  * The caller must hold down_write(current->mm->mmap_sem).
_