Re: slab fragmentation ?
From: Andrew Morton <hidden>
Date: 2004-09-30 03:41:43
Badari Pulavarty [off-list ref] wrote:
# name <active_objs> <num_objs> <objsize> <objperslab> <pagesperslab> : tunables <batchcount> <limit> <sharedfactor> : slabdata <active_slabs> <num_slabs> <sharedavail> size-40 2633 11468 64 61 1 : tunables 120 60 8 : slabdata 188 188 0 size-40 2633 11468 64 61 1 : tunables 120 60 8 : slabdata 188 188 0 size-40 2633 11468 64 61 1 : tunables 120 60 8 : slabdata 188 188 0 size-40 2633 11468 64 61 1 : tunables 120 60 8 : slabdata 188 188 0 size-40 4457 27084 64 61 1 : tunables 120 60 8 : slabdata 444 444 0 size-40 7685 59292 64 61 1 : tunables 120 60 8 : slabdata 972 972 0 size-40 10761 89548 64 61 1 : tunables 120 60 8 : slabdata 1468 1468 0 size-40 13589 119316 64 61 1 : tunables 120 60 8 : slabdata 1956 1956 0 size-40 16717 149084 64 61 1 : tunables 120 60 8 : slabdata 2444 2444 0
That looks like plain brokenness rather than fragmentation. We shouldn't be allocating new pages until active_objs reaches num_objs, should we? Unless the accouting is broken, or course... -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"aart@kvack.org"> aart@kvack.org </a>