diff options
author | Hugh Dickins <hugh@veritas.com> | 2005-10-29 21:15:58 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-30 00:40:37 -0400 |
commit | 7c1fd6b964860cdcf44b6b98d7dcd8cc16a0a26d (patch) | |
tree | 0193feec4e7a43ce2f15f659cd5c56776da60ce5 | |
parent | a8fb5618dab7e45c8990f3155628d772a9ed45f9 (diff) |
[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>
-rw-r--r-- | mm/mmap.c | 6 |
1 files changed, 0 insertions, 6 deletions
@@ -1948,12 +1948,6 @@ void exit_mmap(struct mm_struct *mm) | |||
1948 | free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0); | 1948 | free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0); |
1949 | tlb_finish_mmu(tlb, 0, end); | 1949 | tlb_finish_mmu(tlb, 0, end); |
1950 | 1950 | ||
1951 | mm->mmap = mm->mmap_cache = NULL; | ||
1952 | mm->mm_rb = RB_ROOT; | ||
1953 | set_mm_counter(mm, rss, 0); | ||
1954 | mm->total_vm = 0; | ||
1955 | mm->locked_vm = 0; | ||
1956 | |||
1957 | spin_unlock(&mm->page_table_lock); | 1951 | spin_unlock(&mm->page_table_lock); |
1958 | 1952 | ||
1959 | /* | 1953 | /* |