On Mon, 2005-03-14 at 14:11, Andrew Morton wrote: > Badari Pulavarty <[EMAIL PROTECTED]> wrote: > > > > On Thu, 2005-03-10 at 17:47, Andrew Morton wrote: > > > Badari Pulavarty <[EMAIL PROTECTED]> wrote: > > > > > > > > So, why is these slab cache are not getting purged/shrinked even > > > > under memory pressure ? (I have seen lowmem as low as 6MB). What > > > > can I do to keep the machine healthy ? > > > > > > Tried increasing /proc/sys/vm/vfs_cache_pressure? (That might not be in > > > 2.6.8 though). > > > > > > > > > > Yep. This helped shrink the slabs, but we end up eating up lots of > > the lowmem in Buffers. Is there a way to shrink buffers ? > > It would require some patchwork. Why is it a problem? That memory is > reclaimable. >
Well, machine pauses for 5-30 seconds for each vi,cscope, write() etc. There is 7.5 GB of highmem free, but only 6MB of lowmem. Just trying to free "lowmem" as much as possible. > > $ cat /proc/meminfo > > MemTotal: 16377076 kB > > MemFree: 7495824 kB > > Buffers: 1081708 kB > > Cached: 4162492 kB > > SwapCached: 0 kB > > Active: 3660756 kB > > Inactive: 4473476 kB > > HighTotal: 14548952 kB > > HighFree: 7489600 kB > > LowTotal: 1828124 kB > > LowFree: 6224 kB > > > > How'd you get 1.8gig of lowmem? 2:2 split - Badari - 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/
