Commit 7c1fd6b9 authored Oct 29, 2005 by Hugh Dickins Committed by Linus Torvalds Oct 29, 2005

[PATCH] mm: exit_mmap need not reset



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>

parent a8fb5618

mm/mmap.c

+0 −6

Original line number	Diff line number	Diff line
		@@ -1948,12 +1948,6 @@ void exit_mmap(struct mm_struct *mm)
		free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0);
		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);

		/*