| From: Ingo Molnar <mingo@elte.hu> |
| Date: Fri, 3 Jul 2009 08:29:25 -0500 |
| Subject: x86: highmem: Replace BUG_ON by WARN_ON |
| |
| The machine might survive that problem and be at least in a state |
| which allows us to get more information about the problem. |
| |
| Signed-off-by: Ingo Molnar <mingo@elte.hu> |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| |
| --- |
| arch/x86/mm/highmem_32.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| Index: linux-stable/arch/x86/mm/highmem_32.c |
| =================================================================== |
| --- linux-stable.orig/arch/x86/mm/highmem_32.c |
| +++ linux-stable/arch/x86/mm/highmem_32.c |
| @@ -43,7 +43,7 @@ void *kmap_atomic_prot(struct page *page |
| type = kmap_atomic_idx_push(); |
| idx = type + KM_TYPE_NR*smp_processor_id(); |
| vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); |
| - BUG_ON(!pte_none(*(kmap_pte-idx))); |
| + WARN_ON(!pte_none(*(kmap_pte-idx))); |
| set_pte(kmap_pte-idx, mk_pte(page, prot)); |
| arch_flush_lazy_mmu_mode(); |
| |