| #!/bin/sh |
| |
| # flush memory with readonly shm/tmpfs pages |
| |
| # Unfortunately the kernel disables anon LRU scan on zero swap space. |
| # If run a patched kernel without that kernel optimization, |
| # this script may trigger OOM which I suspect to be some kernel bug. |
| |
| # lru_lock coverage |
| # 1781926 ____pagevec_lru_add |
| # 736056 shrink_inactive_list |
| |
| . ./hw_vars |
| |
| for i in `seq 1 $nr_task` |
| do |
| create_sparse_file $SHM_FILE-$i $shm_size |
| $USEMEM -f $SHM_FILE-$i --readonly $((shm_size / nr_task / 2)) & |
| done |
| |
| wait |
| |
| rm `seq -f $SHM_FILE-%g 1 $nr_task` |
