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diff --git a/sys/vm/swap_pager.c b/sys/vm/swap_pager.c
--- a/sys/vm/swap_pager.c
+++ b/sys/vm/swap_pager.c
@@ -384,8 +384,8 @@
#endif
}
-static int swap_pager_full = 2; /* swap space exhaustion (task killing) */
-static int swap_pager_almost_full = 1; /* swap space exhaustion (w/hysteresis)*/
+static bool swap_pager_full = true; /* swap space exhaustion (task killing) */
+static bool swap_pager_almost_full = true; /* swap space exhaustion (w/hysteresis) */
static struct mtx swbuf_mtx; /* to sync nsw_wcount_async */
static int nsw_wcount_async; /* limit async write buffers */
static int nsw_wcount_async_max;/* assigned maximum */
@@ -642,14 +642,14 @@
{
if (swap_pager_avail < nswap_lowat) {
- if (swap_pager_almost_full == 0) {
+ if (!swap_pager_almost_full) {
printf("swap_pager: out of swap space\n");
- swap_pager_almost_full = 1;
+ swap_pager_almost_full = true;
}
} else {
- swap_pager_full = 0;
+ swap_pager_full = false;
if (swap_pager_avail > nswap_hiwat)
- swap_pager_almost_full = 0;
+ swap_pager_almost_full = false;
}
}
@@ -958,11 +958,10 @@
swp_sizecheck();
swdevhd = TAILQ_NEXT(sp, sw_list);
} else {
- if (swap_pager_full != 2) {
+ if (!swap_pager_full) {
printf("swp_pager_getswapspace(%d): failed\n",
*io_npages);
- swap_pager_full = 2;
- swap_pager_almost_full = 1;
+ swap_pager_full = swap_pager_almost_full = true;
}
swdevhd = NULL;
}
@@ -2863,10 +2862,8 @@
sp->sw_id = NULL;
TAILQ_REMOVE(&swtailq, sp, sw_list);
nswapdev--;
- if (nswapdev == 0) {
- swap_pager_full = 2;
- swap_pager_almost_full = 1;
- }
+ if (nswapdev == 0)
+ swap_pager_full = swap_pager_almost_full = true;
if (swdevhd == sp)
swdevhd = NULL;
mtx_unlock(&sw_dev_mtx);

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