On Thu, Mar 10, 2011 at 8:03 AM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > On Wed, Mar 09, 2011 at 02:58:59PM -0800, Andrew Morton wrote: > >> > +put_inode: >> > + Â iput(inode); >> > Âput_dentry: >> > Â Â path_put(&path); >> > Âput_memory: >> >> Is this correct? ÂWe've linked the inode to the dentry with >> d_instantiate(), so the d_put() will do the iput() on the inode. > > > ITYM path_put() and yes, it will. ÂThere's no leak. > In my opinion, on no-mmu arch iput() will call generate_delete_inode() > truncate_page_range() which just delete the page from pagecache. But pages allocated by ramfs_nommu_expand_for_mapping() have page->_count = 2 (one by alloc_pages + one by pagecache). The page->_count is still 1 after iput(), so the memory can't be freed. Is there something I am wrong? Thanks. -- Regards, --Bob -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href