diff options
Diffstat (limited to 'mm/truncate.c')
| -rw-r--r-- | mm/truncate.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index e13f22e..ca54477 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -138,12 +138,18 @@ invalidate_complete_page(struct address_space *mapping, struct page *page) return ret; } +#ifdef CONFIG_MACH_P4NOTE +static int unmap_mapcount = -99; +#endif int truncate_inode_page(struct address_space *mapping, struct page *page) { if (page_mapped(page)) { unmap_mapping_range(mapping, (loff_t)page->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE, 0); +#ifdef CONFIG_MACH_P4NOTE + unmap_mapcount = atomic_read(&(page)->_mapcount); +#endif } return truncate_complete_page(mapping, page); } |