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authorHugh Dickins <hugh@veritas.com>2005-10-29 18:16:04 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-29 21:40:38 -0700
commit404351e67a9facb475abf1492245374a28d13e90 (patch)
tree5ef4e78b399b36a46eda339ad0cd27556fc5b9a2 /kernel
parentfc2acab31be8e869b2d5f6de12f557f6f054f19c (diff)
downloadop-kernel-dev-404351e67a9facb475abf1492245374a28d13e90.zip
op-kernel-dev-404351e67a9facb475abf1492245374a28d13e90.tar.gz
[PATCH] mm: mm_init set_mm_counters
How is anon_rss initialized? In dup_mmap, and by mm_alloc's memset; but that's not so good if an mm_counter_t is a special type. And how is rss initialized? By set_mm_counter, all over the place. Come on, we just need to initialize them both at once by set_mm_counter in mm_init (which follows the memcpy when forking). Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/fork.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index e2ff11f..25caa02 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -198,8 +198,6 @@ static inline int dup_mmap(struct mm_struct * mm, struct mm_struct * oldmm)
mm->free_area_cache = oldmm->mmap_base;
mm->cached_hole_size = ~0UL;
mm->map_count = 0;
- set_mm_counter(mm, rss, 0);
- set_mm_counter(mm, anon_rss, 0);
cpus_clear(mm->cpu_vm_mask);
mm->mm_rb = RB_ROOT;
rb_link = &mm->mm_rb.rb_node;
@@ -323,6 +321,8 @@ static struct mm_struct * mm_init(struct mm_struct * mm)
INIT_LIST_HEAD(&mm->mmlist);
mm->core_waiters = 0;
mm->nr_ptes = 0;
+ set_mm_counter(mm, rss, 0);
+ set_mm_counter(mm, anon_rss, 0);
spin_lock_init(&mm->page_table_lock);
rwlock_init(&mm->ioctx_list_lock);
mm->ioctx_list = NULL;
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