@@ -18,11 +18,15 @@
* VMALLOC range.
*
* VMALLOC_START: beginning of the kernel vmalloc space
- * VMALLOC_END: extends to the available space below vmemmap, PCI I/O space
- * and fixed mappings
+ * VMALLOC_END: extends to the available space below vmemmap
*/
#define VMALLOC_START (MODULES_END)
+#if VA_BITS == VA_BITS_MIN
#define VMALLOC_END (VMEMMAP_START - SZ_8M)
+#else
+#define VMEMMAP_UNUSED_NPAGES ((_PAGE_OFFSET(vabits_actual) - PAGE_OFFSET) >> PAGE_SHIFT)
+#define VMALLOC_END (VMEMMAP_START + VMEMMAP_UNUSED_NPAGES * sizeof(struct page) - SZ_8M)
+#endif
#define vmemmap ((struct page *)VMEMMAP_START - (memstart_addr >> PAGE_SHIFT))