kernel - Fix i386 wire_count panics (2)

* Optimize wakeup case.

diff --git a/sys/platform/pc32/i386/pmap.c b/sys/platform/pc32/i386/pmap.c
index d7a6fe6..d60cabd 100644 (file)
--- a/sys/platform/pc32/i386/pmap.c
+++ b/sys/platform/pc32/i386/pmap.c
@@ -1649,7 +1649,7 @@ void
 pmap_drop(pmap_t pmap)
 {
        --pmap->pm_count;
-       if ((pmap->pm_count & 0x7FFFFFFF) == 0)
+       if (pmap->pm_count == (int)0x80000000)
                wakeup(pmap);
 }