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exec.c: correct the maximum skip value during compact

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skip is defined with 6 bits. So the maximum value should be (1 << 6).

Backports commit 26ca2075babd7775e246b9eb7da75d6de77eb658 from qemu
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Wei Yang 2019-11-20 13:15:13 -05:00 committed by Lioncash
parent 2e55ddd339
commit 623632f3ac
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1 changed files with 1 additions and 1 deletions
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qemu/exec.c
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@ -247,7 +247,7 @@ static void phys_page_compact(PhysPageEntry *lp, Node *nodes, unsigned long *com
assert(valid_ptr < P_L2_SIZE); assert(valid_ptr < P_L2_SIZE);
/* Don't compress if it won't fit in the # of bits we have. */ /* Don't compress if it won't fit in the # of bits we have. */
if (lp->skip + p[valid_ptr].skip >= (1 << 3)) { if (lp->skip + p[valid_ptr].skip >= (1 << 6)) {
return; return;
} }