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[PATCH] mm: exit_mmap need not reset

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exit_mmap resets various mm_struct fields, but the mm is well on its way out,
and none of those fields matter by this point.

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 18:15:58 -07:00 committed by Linus Torvalds
parent a8fb5618da
commit 7c1fd6b964
1 changed files with 0 additions and 6 deletions
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6
mm/mmap.c
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@ -1948,12 +1948,6 @@ void exit_mmap(struct mm_struct *mm)
free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0); free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0);
tlb_finish_mmu(tlb, 0, end); tlb_finish_mmu(tlb, 0, end);
mm->mmap = mm->mmap_cache = NULL;
mm->mm_rb = RB_ROOT;
set_mm_counter(mm, rss, 0);
mm->total_vm = 0;
mm->locked_vm = 0;
spin_unlock(&mm->page_table_lock); spin_unlock(&mm->page_table_lock);
/* /*