Reflect the fact that we do not swap on the first <dmmax> blocks of a
swapdev, to protect disklabels and other such magic stuff.
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@ -1084,7 +1084,10 @@ swapmode()
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devname(sw[i].sw_dev, S_IFBLK),
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hlen, sw[i].sw_nblks / div);
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xsize = sw[i].sw_nblks;
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/* The first dmmax is never allocated to avoid trashing of
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* disklabels
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*/
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xsize = sw[i].sw_nblks - dmmax;
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xfree = perdev[i];
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used = xsize - xfree;
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npfree++;
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