diff options
| author | Jeremy Allison <jra@samba.org> | 2005-06-22 17:35:06 -0700 |
|---|---|---|
| committer | Steve French <sfrench@hera.kernel.org> | 2005-06-22 17:35:06 -0700 |
| commit | 1bdf7a78c2b21fb94dfe7994dbe89310b18479d2 (patch) | |
| tree | 7741cfd476f9c622a10c198da421fdb3e38708b9 /kernel/fork.c | |
| parent | ac67055ef2378ea95c34b593ddf9d0a0737a240a (diff) | |
| parent | a4936044001694f033fe4ea94d6034d51a6b465c (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index f42a17f8869..a28d11e1087 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -194,6 +194,7 @@ static inline int dup_mmap(struct mm_struct * mm, struct mm_struct * oldmm) mm->mmap = NULL; mm->mmap_cache = NULL; 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); @@ -249,8 +250,9 @@ static inline int dup_mmap(struct mm_struct * mm, struct mm_struct * oldmm) /* * Link in the new vma and copy the page table entries: - * link in first so that swapoff can see swap entries, - * and try_to_unmap_one's find_vma find the new vma. + * link in first so that swapoff can see swap entries. + * Note that, exceptionally, here the vma is inserted + * without holding mm->mmap_sem. */ spin_lock(&mm->page_table_lock); *pprev = tmp; @@ -322,6 +324,7 @@ static struct mm_struct * mm_init(struct mm_struct * mm) mm->ioctx_list = NULL; mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm); mm->free_area_cache = TASK_UNMAPPED_BASE; + mm->cached_hole_size = ~0UL; if (likely(!mm_alloc_pgd(mm))) { mm->def_flags = 0; |