On Fri, Jan 17, 2025 at 06:48:55PM +0000, Jaegeuk Kim wrote: > > I don't understand how this is different from MADV_COLD. Please > > explain. > > MADV_COLD is a vma range, while this is a file range. So, it's more close to > fadvise(POSIX_FADV_DONTNEED) which tries to reclaim the file-backed pages > at the time when it's called. The idea is to keep the hints only, and try to > reclaim all later when admin expects system memory pressure soon. So you're saying you want POSIX_FADV_COLD?
