-/*
- * FIXME: We really want to avoid allocating the bootmap bitmap
- * over the top of the initrd. Hopefully, this is located towards
- * the start of a bank, so if we allocate the bootmap bitmap at
- * the end, we won't clash.
- */
-static unsigned int __init
-find_bootmap_pfn(struct meminfo *mi, unsigned int bootmap_pages)
-{
- unsigned int start_pfn, i, bootmap_pfn;
-
- start_pfn = PAGE_ALIGN(__pa(_end)) >> PAGE_SHIFT;
- bootmap_pfn = 0;
-
- for_each_bank(i, mi) {
- struct membank *bank = &mi->bank[i];
- unsigned int start, end;
-
- start = bank_pfn_start(bank);
- end = bank_pfn_end(bank);
-
- if (end < start_pfn)
- continue;
-
- if (start < start_pfn)
- start = start_pfn;
-
- if (end <= start)
- continue;
-
- if (end - start >= bootmap_pages) {
- bootmap_pfn = start;
- break;
- }
- }
-
- if (bootmap_pfn == 0)
- BUG();
-
- return bootmap_pfn;
-}
-
-static int __init check_initrd(struct meminfo *mi)
-{
- int initrd = -2;
-#ifdef CONFIG_BLK_DEV_INITRD
- unsigned long end = phys_initrd_start + phys_initrd_size;
-
- /*
- * Make sure that the initrd is within a valid area of
- * memory.
- */
- if (phys_initrd_size) {
- unsigned int i;
-
- initrd = -1;
-
- for (i = 0; i < mi->nr_banks; i++) {
- struct membank *bank = &mi->bank[i];
- if (bank_phys_start(bank) <= phys_initrd_start &&
- end <= bank_phys_end(bank))
- initrd = 0;
- }
- }
-
- if (initrd == -1) {
- printk(KERN_ERR "INITRD: 0x%08lx+0x%08lx extends beyond "
- "physical memory - disabling initrd\n",
- phys_initrd_start, phys_initrd_size);
- phys_initrd_start = phys_initrd_size = 0;
- }
-#endif
-
- return initrd;
-}
-