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Fix another off-by-one error in the previous fix so that the new start

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address is properly aligned.  While here, use a simpler expression to
align the new end address that we use elsewhere for aligning the end.
This commit is contained in:
John Baldwin 2012-06-19 15:15:35 +00:00
parent 3acb6d160f
commit 1ba9eae287
1 changed files with 2 additions and 2 deletions
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4
sys/dev/pci/pci_pci.c
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@ -913,7 +913,7 @@ pcib_grow_window(struct pcib_softc *sc, struct pcib_window *w, int type,
if (bootverbose)
printf("\tfront candidate range: %#lx-%#lx\n",
front, end_free);
front &= ~(1ul << w->step) - 1;
front &= ~((1ul << w->step) - 1);
front = rman_get_start(w->res) - front;
} else
front = 0;
@ -941,7 +941,7 @@ pcib_grow_window(struct pcib_softc *sc, struct pcib_window *w, int type,
if (bootverbose)
printf("\tback candidate range: %#lx-%#lx\n",
start_free, back);
back = roundup2(back + 1, 1ul << w->step) - 1;
back |= (1ul << w->step) - 1;
back -= rman_get_end(w->res);
} else
back = 0;