On Mon, Dec 17, 2007 at 06:15:32PM +0100, Jan Kara wrote: > I think yes. 0 swappiness doesn't mean "no swapping at all". From the > code in shrink_active_list() it seems that it just decreases likeliness > of removing pages of mmaped files (i.e., also executables loaded in memory).
So, I tried to add some prints. I have mapped ratio about 78 while scp-ing the file. Distress suddenly raises from 0 to 100. At this poing, all the processes are swapped out. I guess it happens if scp is faster than the local disk which happens if I scp-ing over GE from desktop (with fast disk - and reading) to laptop (slow disk - and writing). This is my settings. /proc/sys/vm/* block_dump:0 dirty_background_ratio:10 dirty_expire_centisecs:2999 dirty_ratio:40 dirty_writeback_centisecs:499 drop_caches:0 laptop_mode:0 legacy_va_layout:0 lowmem_reserve_ratio:256 256 32 max_map_count:65536 min_free_kbytes:4006 nr_pdflush_threads:2 oom_kill_allocating_task:0 overcommit_memory:0 overcommit_ratio:50 page-cluster:3 panic_on_oom:0 percpu_pagelist_fraction:0 stat_interval:1 swappiness:0 vfs_cache_pressure:100 -- Lukáš Hejtmánek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
