On 2016/8/2 3:54, Andrew Morton wrote: > On Mon, 1 Aug 2016 23:00:51 +0800 zhongjiang <zhongjiang@xxxxxxxxxx> wrote: > >> From: zhong jiang <zhongjiang@xxxxxxxxxx> >> >> At present, It is obvious that memory online and offline will fail >> when KASAN enable, > huh, I didn't know that. What's the problem and are there plans to fix it? when I test the memory hotplug function. The memory online and offline always fails. because I forget the turn off the KASAN config. I know it is not compatible with hotplug. In fact, but I always forget to do so. >> therefore, it is necessary to add the condition >> to limit the memory_hotplug when KASAN enable. >> >> Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> >> --- >> mm/Kconfig | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/mm/Kconfig b/mm/Kconfig >> index 3e2daef..f6dd77e 100644 >> --- a/mm/Kconfig >> +++ b/mm/Kconfig >> @@ -187,6 +187,7 @@ config MEMORY_HOTPLUG >> bool "Allow for memory hot-add" >> depends on SPARSEMEM || X86_64_ACPI_NUMA >> depends on ARCH_ENABLE_MEMORY_HOTPLUG >> + depends on !KASAN >> >> config MEMORY_HOTPLUG_SPARSE >> def_bool y > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@xxxxxxxxx. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a> > > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>