On Thu, Jan 16, 2025 at 05:19:24PM +0000, Jaegeuk Kim wrote: > > mean a invalidate_inode_pages2_range. Which is a strange use of the > > word. what are the use cases? Why is this queued up to a thread and > > not done inline? Why is this in f2fs and not in common code. > > The idea is let apps register some file ranges for page donation and admin > recliam such pages all togehter if they expect to see memory pressure soon. > We can rely on LRU, but this is more user-given trigger. I'm not sure whether > there's a need in general, hence, wanted to put it in f2fs first to get more > concrete use-cases beyond this Android case. Well, that's certainly not a file system feature. Please build this as generic infrastucture and send it to the linux-mm list.
