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Don't scan pages that are above the passed in high value. This is a partial

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MFC of rev 1.48; the rest of that change is incomplete and not appropriate
for merging yet.

Approved by: re
This commit is contained in:
scottl 2006-04-25 15:04:29 +00:00
parent 9c393c5830
commit b82ceba934
1 changed files with 4 additions and 1 deletions
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5
sys/vm/vm_contig.c
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@ -407,7 +407,10 @@ vm_page_alloc_contig(vm_pindex_t npages, vm_paddr_t low, vm_paddr_t high,
panic("vm_page_alloc_contig: boundary must be a power of 2");
for (pass = 0; pass < 2; pass++) {
start = vm_page_array_size - npages + 1;
if (atop(high) < vm_page_array_size)
start = atop(high) - npages + 1;
else
start = vm_page_array_size - npages + 1;
vm_page_lock_queues();
retry:
start--;