4MB mask
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				@ -13,6 +13,7 @@ sys/vm_i386.h
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#define I386_VM_PCD	0x010	/* Cache disable */
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#define I386_VM_ACC	0x020	/* Accessed */
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#define I386_VM_ADDR_MASK 0xFFFFF000 /* physical address */
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#define I386_VM_ADDR_MASK_4MB 0xFFC00000 /* physical address */
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/* Page directory specific flags. */
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#define I386_VM_BIGPAGE	0x080	/* 4MB page */
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