svn commit: r323018 - head/sys/vm
Konstantin Belousov
kib at FreeBSD.org
Wed Aug 30 10:17:01 UTC 2017
Author: kib
Date: Wed Aug 30 10:17:00 2017
New Revision: 323018
URL: https://svnweb.freebsd.org/changeset/base/323018
Log:
Adjust interface of swapon_check_swzone() to its actual usage.
The function return value is not used. Its argument is always
swap_total/PAGE_SIZE, so make it not take any arguments.
Submitted by: ota at j.email.ne.jp
PR: 221356
MFC after: 1 week
Modified:
head/sys/vm/swap_pager.c
Modified: head/sys/vm/swap_pager.c
==============================================================================
--- head/sys/vm/swap_pager.c Wed Aug 30 09:44:05 2017 (r323017)
+++ head/sys/vm/swap_pager.c Wed Aug 30 10:17:00 2017 (r323018)
@@ -2060,13 +2060,14 @@ done:
/*
* Check that the total amount of swap currently configured does not
* exceed half the theoretical maximum. If it does, print a warning
- * message and return -1; otherwise, return 0.
+ * message.
*/
-static int
-swapon_check_swzone(unsigned long npages)
+static void
+swapon_check_swzone(void)
{
- unsigned long maxpages;
+ unsigned long maxpages, npages;
+ npages = swap_total / PAGE_SIZE;
/* absolute maximum we can handle assuming 100% efficiency */
maxpages = uma_zone_get_max(swblk_zone) * SWAP_META_PAGES;
@@ -2077,9 +2078,7 @@ swapon_check_swzone(unsigned long npages)
npages, maxpages / 2);
printf("warning: increase kern.maxswzone "
"or reduce amount of swap.\n");
- return (-1);
}
- return (0);
}
static void
@@ -2147,7 +2146,7 @@ swaponsomething(struct vnode *vp, void *id, u_long nbl
nswapdev++;
swap_pager_avail += nblks - 2;
swap_total += (vm_ooffset_t)nblks * PAGE_SIZE;
- swapon_check_swzone(swap_total / PAGE_SIZE);
+ swapon_check_swzone();
swp_sizecheck();
mtx_unlock(&sw_dev_mtx);
EVENTHANDLER_INVOKE(swapon, sp);
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