On 2020/10/6 1:12, Catalin Marinas wrote:
> On Mon, Sep 07, 2020 at 09:47:43PM +0800, Chen Zhou wrote:
>> diff --git a/kernel/crash_core.c b/kernel/crash_core.c
>> index 3f735cb37ace..d11d597a470d 100644
>> --- a/kernel/crash_core.c
>> +++ b/kernel/crash_core.c
>> @@ -378,6 +378,15 @@ int
On Mon, Sep 07, 2020 at 09:47:43PM +0800, Chen Zhou wrote:
> diff --git a/kernel/crash_core.c b/kernel/crash_core.c
> index 3f735cb37ace..d11d597a470d 100644
> --- a/kernel/crash_core.c
> +++ b/kernel/crash_core.c
> @@ -378,6 +378,15 @@ int __init reserve_crashkernel_low(void)
> }
>
> #if
For crashkernel=X, if required size X is too large and leads to very
little free low memory after low allocation, the system may not work
normally.
So add a threshold and go for high allocation directly if the required
size is too large. The value of threshold is set as the half of the
low memory.
3 matches
Mail list logo