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| author | Paul Mackerras <paulus@samba.org> | 2005-10-12 14:43:32 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-10-12 14:43:32 +1000 |
| commit | b6ec995a21a9428aef620b5adf46d047a18d88b8 (patch) | |
| tree | 6719121e6605cbca524b687f47336b9bbf3b8d41 /mm/fremap.c | |
| parent | 3a5f8c5f788d68e325d9fe3c26f4df5a5aee838a (diff) | |
| parent | da64c6ee6bb71bfb3f09d9bb89ce1aa4b1ee7e89 (diff) | |
| download | linux-b6ec995a21a9428aef620b5adf46d047a18d88b8.tar.bz2 | |
Merge from Linus' tree
Diffstat (limited to 'mm/fremap.c')
| -rw-r--r-- | mm/fremap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/fremap.c b/mm/fremap.c index 3235fb77c133..ab23a0673c35 100644 --- a/mm/fremap.c +++ b/mm/fremap.c @@ -89,6 +89,9 @@ int install_page(struct mm_struct *mm, struct vm_area_struct *vma, size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; if (!page->mapping || page->index >= size) goto err_unlock; + err = -ENOMEM; + if (page_mapcount(page) > INT_MAX/2) + goto err_unlock; zap_pte(mm, vma, addr, pte); |