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jbeulichIngo Molnar
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x86/mm: Use pr_cont() in dump_pagetable()
The lack of newlines in preceding format strings is a clear indication that these were meant to be continuations of one another, and indeed output ends up quite a bit more compact (and readable) that way. Switch other plain printk()-s in the function instances to pr_info(), as requested. Signed-off-by: Jan Beulich <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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arch/x86/mm/fault.c

Lines changed: 15 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -396,14 +396,18 @@ static void dump_pagetable(unsigned long address)
396396
pte_t *pte;
397397

398398
#ifdef CONFIG_X86_PAE
399-
printk("*pdpt = %016Lx ", pgd_val(*pgd));
399+
pr_info("*pdpt = %016Lx ", pgd_val(*pgd));
400400
if (!low_pfn(pgd_val(*pgd) >> PAGE_SHIFT) || !pgd_present(*pgd))
401401
goto out;
402+
#define pr_pde pr_cont
403+
#else
404+
#define pr_pde pr_info
402405
#endif
403406
p4d = p4d_offset(pgd, address);
404407
pud = pud_offset(p4d, address);
405408
pmd = pmd_offset(pud, address);
406-
printk(KERN_CONT "*pde = %0*Lx ", sizeof(*pmd) * 2, (u64)pmd_val(*pmd));
409+
pr_pde("*pde = %0*Lx ", sizeof(*pmd) * 2, (u64)pmd_val(*pmd));
410+
#undef pr_pde
407411

408412
/*
409413
* We must not directly access the pte in the highpte
@@ -415,9 +419,9 @@ static void dump_pagetable(unsigned long address)
415419
goto out;
416420

417421
pte = pte_offset_kernel(pmd, address);
418-
printk("*pte = %0*Lx ", sizeof(*pte) * 2, (u64)pte_val(*pte));
422+
pr_cont("*pte = %0*Lx ", sizeof(*pte) * 2, (u64)pte_val(*pte));
419423
out:
420-
printk("\n");
424+
pr_cont("\n");
421425
}
422426

423427
#else /* CONFIG_X86_64: */
@@ -565,7 +569,7 @@ static void dump_pagetable(unsigned long address)
565569
if (bad_address(pgd))
566570
goto bad;
567571

568-
printk("PGD %lx ", pgd_val(*pgd));
572+
pr_info("PGD %lx ", pgd_val(*pgd));
569573

570574
if (!pgd_present(*pgd))
571575
goto out;
@@ -574,36 +578,36 @@ static void dump_pagetable(unsigned long address)
574578
if (bad_address(p4d))
575579
goto bad;
576580

577-
printk("P4D %lx ", p4d_val(*p4d));
581+
pr_cont("P4D %lx ", p4d_val(*p4d));
578582
if (!p4d_present(*p4d) || p4d_large(*p4d))
579583
goto out;
580584

581585
pud = pud_offset(p4d, address);
582586
if (bad_address(pud))
583587
goto bad;
584588

585-
printk("PUD %lx ", pud_val(*pud));
589+
pr_cont("PUD %lx ", pud_val(*pud));
586590
if (!pud_present(*pud) || pud_large(*pud))
587591
goto out;
588592

589593
pmd = pmd_offset(pud, address);
590594
if (bad_address(pmd))
591595
goto bad;
592596

593-
printk("PMD %lx ", pmd_val(*pmd));
597+
pr_cont("PMD %lx ", pmd_val(*pmd));
594598
if (!pmd_present(*pmd) || pmd_large(*pmd))
595599
goto out;
596600

597601
pte = pte_offset_kernel(pmd, address);
598602
if (bad_address(pte))
599603
goto bad;
600604

601-
printk("PTE %lx", pte_val(*pte));
605+
pr_cont("PTE %lx", pte_val(*pte));
602606
out:
603-
printk("\n");
607+
pr_cont("\n");
604608
return;
605609
bad:
606-
printk("BAD\n");
610+
pr_info("BAD\n");
607611
}
608612

609613
#endif /* CONFIG_X86_64 */

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