Author: markj
Date: Tue Oct 8 16:42:50 2019
New Revision: 353311
URL: https://svnweb.freebsd.org/changeset/base/353311
Log:
Simplify pmap_page_array_startup() a bit.
No functional change intended.
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/amd64/amd64/pmap.c
Modified: head/sys/amd64/amd64/pmap.c
==============================================================================
--- head/sys/amd64/amd64/pmap.c Tue Oct 8 15:48:28 2019 (r353310)
+++ head/sys/amd64/amd64/pmap.c Tue Oct 8 16:42:50 2019 (r353311)
@@ -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;
}
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