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[PATCH] mm: vm_stat_account unshackled

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The original vm_stat_account has fallen into disuse, with only one user, and
only one user of vm_stat_unaccount.  It's easier to keep track if we convert
them all to __vm_stat_account, then free it from its __shackles.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Hugh Dickins
2005-10-29 18:15:56 -07:00
committed by Linus Torvalds
parent 72866f6f27
commit ab50b8ed81
7 changed files with 20 additions and 31 deletions
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20
mm/mmap.c
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@@ -832,7 +832,7 @@ none:
}
#ifdef CONFIG_PROC_FS
void __vm_stat_account(struct mm_struct *mm, unsigned long flags,
void vm_stat_account(struct mm_struct *mm, unsigned long flags,
struct file *file, long pages)
{
const unsigned long stack_flags
@@ -1110,7 +1110,7 @@ munmap_back:
}
out:
mm->total_vm += len >> PAGE_SHIFT;
__vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
if (vm_flags & VM_LOCKED) {
mm->locked_vm += len >> PAGE_SHIFT;
make_pages_present(addr, addr + len);
@@ -1475,7 +1475,7 @@ static int acct_stack_growth(struct vm_area_struct * vma, unsigned long size, un
mm->total_vm += grow;
if (vma->vm_flags & VM_LOCKED)
mm->locked_vm += grow;
__vm_stat_account(mm, vma->vm_flags, vma->vm_file, grow);
vm_stat_account(mm, vma->vm_flags, vma->vm_file, grow);
return 0;
}
@@ -1610,15 +1610,15 @@ find_extend_vma(struct mm_struct * mm, unsigned long addr)
* By the time this function is called, the area struct has been
* removed from the process mapping list.
*/
static void unmap_vma(struct mm_struct *mm, struct vm_area_struct *area)
static void unmap_vma(struct mm_struct *mm, struct vm_area_struct *vma)
{
size_t len = area->vm_end - area->vm_start;
long nrpages = vma_pages(vma);
area->vm_mm->total_vm -= len >> PAGE_SHIFT;
if (area->vm_flags & VM_LOCKED)
area->vm_mm->locked_vm -= len >> PAGE_SHIFT;
vm_stat_unaccount(area);
remove_vm_struct(area);
mm->total_vm -= nrpages;
if (vma->vm_flags & VM_LOCKED)
mm->locked_vm -= nrpages;
vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages);
remove_vm_struct(vma);
}
/*