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-rw-r--r--sys/i386/conf/NOTES9
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES
index af3da83..cc62ed9 100644
--- a/sys/i386/conf/NOTES
+++ b/sys/i386/conf/NOTES
@@ -862,6 +862,15 @@ options PMAP_SHPGPERPROC=201
#
options KVA_PAGES=260
+#
+# Number of initial kernel page table pages used for early bootstrap.
+# This number should include enough pages to map the kernel, any
+# modules or other data loaded with the kernel by the loader, and data
+# structures allocated before the VM system is initialized such as the
+# vm_page_t array. Each page table page maps 4MB (2MB with PAE).
+#
+options NKPT=31
+
#####################################################################
# ABI Emulation
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