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Simplify pmap_page_array_startup() a bit.

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No functional change intended.

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mark Johnston 2019-10-08 16:42:50 +00:00
parent 310a44b232
commit 8f52459857
1 changed files with 3 additions and 4 deletions
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7
sys/amd64/amd64/pmap.c
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@ -3947,9 +3947,9 @@ pmap_page_array_startup(long pages)
vm_page_array_size = pages;
start = va = VM_MIN_KERNEL_ADDRESS;
end = va + pages * sizeof(struct vm_page);
while (va < end) {
start = VM_MIN_KERNEL_ADDRESS;
end = start + pages * sizeof(struct vm_page);
for (va = start; va < end; va += NBPDR) {
pfn = first_page + (va - start) / sizeof(struct vm_page);
domain = _vm_phys_domain(ptoa(pfn));
pdpe = pmap_pdpe(kernel_pmap, va);
@ -3969,7 +3969,6 @@ pmap_page_array_startup(long pages)
newpdir = (pd_entry_t)(pa | X86_PG_V | X86_PG_RW | X86_PG_A |
X86_PG_M | PG_PS | pg_g | pg_nx);
pde_store(pde, newpdir);
va += NBPDR;
}
vm_page_array = (vm_page_t)start;
}