| Message ID | 1460948988-7477-4-git-send-email-wangkefeng.wang@huawei.com |
|---|---|
| State | New |
| Headers | show |
On 2016/4/18 19:15, James Morse wrote: > On 18/04/16 04:09, Kefeng Wang wrote: >> The modules and PCI I/O informations in Virtual kernel memory layout >> are inappropriate when corresponding config is not enabled, so don't >> show them then. > > I'm not sure about this, it looks like these areas are still reserved, so this > is still useful debug information. mm/dump.c will still print any mappings in > these ranges, its good to be consistent. If the CONFIG is not enabled, I think the areas will not be reserved and not mapped, correct me if I am wrong. so it looks useless, but keeping them is ok for me. BRs, Kefeng > > > Thanks, > > James > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index c96fe51..e06a445 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -367,8 +367,10 @@ void __init mem_init(void) pr_cont(" kasan : 0x%16lx - 0x%16lx (%6ld GB)\n", MLG(KASAN_SHADOW_START, KASAN_SHADOW_END)); #endif +#ifdef CONFIG_MODULES pr_cont(" modules : 0x%16lx - 0x%16lx (%6ld MB)\n", MLM(MODULES_VADDR, MODULES_END)); +#endif pr_cont(" vmalloc : 0x%16lx - 0x%16lx (%6ld GB)\n", MLG(VMALLOC_START, VMALLOC_END)); pr_cont(" .text : 0x%p" " - 0x%p" " (%6ld KB)\n", @@ -390,8 +392,10 @@ void __init mem_init(void) #endif pr_cont(" fixed : 0x%16lx - 0x%16lx (%6ld KB)\n", MLK(FIXADDR_START, FIXADDR_TOP)); +#ifdef CONFIG_PCI pr_cont(" PCI I/O : 0x%16lx - 0x%16lx (%6ld MB)\n", MLM(PCI_IO_START, PCI_IO_END)); +#endif pr_cont(" memory : 0x%16lx - 0x%16lx (%6ld MB)\n", MLM(__phys_to_virt(memblock_start_of_DRAM()), (unsigned long)high_memory));
The modules and PCI I/O informations in Virtual kernel memory layout are inappropriate when corresponding config is not enabled, so don't show them then. Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- arch/arm64/mm/init.c | 4 ++++ 1 file changed, 4 insertions(+) -- 2.6.0.GIT _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel