diff options
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/mm/fault.c | 13 | ||||
| -rw-r--r-- | arch/arm64/mm/init.c | 4 |
2 files changed, 13 insertions, 4 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 1909a69983ca..afadae6682ed 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -36,6 +36,8 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> +static const char *fault_name(unsigned int esr); + /* * Dump out the page tables associated with 'addr' in mm 'mm'. */ @@ -112,8 +114,9 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr, struct siginfo si; if (show_unhandled_signals) { - pr_info("%s[%d]: unhandled page fault (%d) at 0x%08lx, code 0x%03x\n", - tsk->comm, task_pid_nr(tsk), sig, addr, esr); + pr_info("%s[%d]: unhandled %s (%d) at 0x%08lx, esr 0x%03x\n", + tsk->comm, task_pid_nr(tsk), fault_name(esr), sig, + addr, esr); show_pte(tsk->mm, addr); show_regs(regs); } @@ -450,6 +453,12 @@ static struct fault_info { { do_bad, SIGBUS, 0, "unknown 63" }, }; +static const char *fault_name(unsigned int esr) +{ + const struct fault_info *inf = fault_info + (esr & 63); + return inf->name; +} + /* * Dispatch a data abort to the relevant handler. */ diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 4cd28931dba9..800aac306a08 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -79,8 +79,8 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) #ifdef CONFIG_ZONE_DMA32 /* 4GB maximum for 32-bit only capable devices */ - max_dma32 = min(max, MAX_DMA32_PFN); - zone_size[ZONE_DMA32] = max(min, max_dma32) - min; + max_dma32 = max(min, min(max, MAX_DMA32_PFN)); + zone_size[ZONE_DMA32] = max_dma32 - min; #endif zone_size[ZONE_NORMAL] = max - max_dma32; |
