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| author | James Morris <jmorris@namei.org> | 2008-08-28 02:47:34 +0200 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2008-08-28 02:47:34 +0200 |
| commit | 86d688984deefa3ae5a802880c11f2b408b5d6cf (patch) | |
| tree | 7ea5e8189b0a774626d3ed7c3c87df2495a4c4a0 /mm/util.c | |
| parent | selinux: add support for installing a dummy policy (v2) (diff) | |
| parent | IB/mlx4: Actually return L_Key and R_Key for fast register MRs (diff) | |
| download | linux-86d688984deefa3ae5a802880c11f2b408b5d6cf.tar.xz linux-86d688984deefa3ae5a802880c11f2b408b5d6cf.zip | |
Merge branch 'master' into next
Diffstat (limited to 'mm/util.c')
| -rw-r--r-- | mm/util.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c index 9341ca77bd88..cb00b748ce47 100644 --- a/mm/util.c +++ b/mm/util.c @@ -171,3 +171,18 @@ void arch_pick_mmap_layout(struct mm_struct *mm) mm->unmap_area = arch_unmap_area; } #endif + +int __attribute__((weak)) get_user_pages_fast(unsigned long start, + int nr_pages, int write, struct page **pages) +{ + struct mm_struct *mm = current->mm; + int ret; + + down_read(&mm->mmap_sem); + ret = get_user_pages(current, mm, start, nr_pages, + write, 0, pages, NULL); + up_read(&mm->mmap_sem); + + return ret; +} +EXPORT_SYMBOL_GPL(get_user_pages_fast); |