On 01/28/2015 01:26 AM, Minchan Kim wrote: > Hello, > > On Tue, Jan 27, 2015 at 12:03:34PM +0100, Vlastimil Babka wrote: >> CC linux-mm in case somebody has a good answer but missed this in lkml traffic >> >> On 01/23/2015 11:18 PM, John Moser wrote: >>> Why is there no tunable to OOM at low page cache? > AFAIR, there were several trial although there wasn't acceptable > at that time. One thing I can remember is min_filelist_kbytes. > FYI, http://lwn.net/Articles/412313/ > That looks more straight-forward than http://lwn.net/Articles/422291/ > I'm far away from reclaim code for a long time but when I read again, > I found something strange. > > With having swap in get_scan_count, we keep a mount of file LRU + free > as above than high wmark to prevent file LRU thrashing but we don't > with no swap. Why? > That's ... strange. That means having a token 1MB swap file changes the system's practical memory reclaim behavior dramatically? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>