add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/mips/sgi-ip22/ip28-berr.c
..
..
@@ -8,6 +8,7 @@
8
8
 
9
9
 #include <linux/init.h>
10
10
 #include <linux/kernel.h>
11
+#include <linux/mm.h>
11
12
 #include <linux/sched.h>
12
13
 #include <linux/sched/debug.h>
13
14
 #include <linux/sched/signal.h>
..
..
@@ -300,23 +301,6 @@
300
301
 	       field, regs->cp0_epc, field, regs->regs[31]);
301
302
 }
302
303
 
303
-/*
304
- * Check, whether MC's (virtual) DMA address caused the bus error.
305
- * See "Virtual DMA Specification", Draft 1.5, Feb 13 1992, SGI
306
- */
307
-
308
-static int addr_is_ram(unsigned long addr, unsigned sz)
309
-{
310
-	int i;
311
-
312
-	for (i = 0; i < boot_mem_map.nr_map; i++) {
313
-		unsigned long a = boot_mem_map.map[i].addr;
314
-		if (a <= addr && addr+sz <= a+boot_mem_map.map[i].size)
315
-			return 1;
316
-	}
317
-	return 0;
318
-}
319
-
320
304
 static int check_microtlb(u32 hi, u32 lo, unsigned long vaddr)
321
305
 {
322
306
 	/* This is likely rather similar to correct code ;-) */
..
..
@@ -331,7 +315,7 @@
331
315
 			/* PTEIndex is VPN-low (bits [22:14]/[20:12] ?) */
332
316
 			unsigned long pte = (lo >> 6) << 12; /* PTEBase */
333
317
 			pte += 8*((vaddr >> pgsz) & 0x1ff);
334
-			if (addr_is_ram(pte, 8)) {
318
+			if (page_is_ram(PFN_DOWN(pte))) {
335
319
 				/*
336
320
 				 * Note: Since DMA hardware does look up
337
321
 				 * translation on its own, this PTE *must*
..
..
@@ -462,9 +446,9 @@
462
446
 	if (ip28_be_interrupt(regs) != MIPS_BE_DISCARD) {
463
447
 		/* Assume it would be too dangerous to continue ... */
464
448
 		die_if_kernel("Oops", regs);
465
-		force_sig(SIGBUS, current);
449
+		force_sig(SIGBUS);
466
450
 	} else if (debug_be_interrupt)
467
-		show_regs((struct pt_regs *)regs);
451
+		show_regs(regs);
468
452
 }
469
453
 
470
454
 static int ip28_be_handler(struct pt_regs *regs, int is_fixup)