diff options
Diffstat (limited to 'sys/vm/swap_pager.c')
| -rw-r--r-- | sys/vm/swap_pager.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/sys/vm/swap_pager.c b/sys/vm/swap_pager.c index 5ba0224..f5fd447 100644 --- a/sys/vm/swap_pager.c +++ b/sys/vm/swap_pager.c @@ -39,7 +39,7 @@ * from: Utah $Hdr: swap_pager.c 1.4 91/04/30$ * * @(#)swap_pager.c 8.9 (Berkeley) 3/21/94 - * $Id: swap_pager.c,v 1.80 1997/12/24 15:05:21 dyson Exp $ + * $Id: swap_pager.c,v 1.81 1998/01/17 09:16:47 dyson Exp $ */ /* @@ -477,30 +477,31 @@ swap_pager_free_swap(object) /* * Free left over swap blocks */ - s = splvm(); swb = object->un_pager.swp.swp_blocks; - if (!swb) + if (swb == NULL) { return; + } + s = splvm(); for (i = 0; i < object->un_pager.swp.swp_nblocks; i++, swb++) { for (j = 0; j < SWB_NPAGES; j++) { if (swb->swb_block[j] != SWB_EMPTY) { /* - * initially the length of the run is zero - */ + * initially the length of the run is zero + */ if (block_count == 0) { first_block = swb->swb_block[j]; block_count = btodb(PAGE_SIZE); swb->swb_block[j] = SWB_EMPTY; /* - * if the new block can be included into the current run - */ + * if the new block can be included into the current run + */ } else if (swb->swb_block[j] == first_block + block_count) { block_count += btodb(PAGE_SIZE); swb->swb_block[j] = SWB_EMPTY; /* - * terminate the previous run, and start a new one - */ + * terminate the previous run, and start a new one + */ } else { swap_pager_freeswapspace(object, first_block, (unsigned) first_block + block_count - 1); |
