On 2023/3/24 22:53, Baoquan He wrote:
> Hi Leizhen,
>
> On 03/24/23 at 10:47am, Leizhen (ThunderTown) wrote:
> ..
>> 2) with the fixed CRASH_ADDR_LOW_MAX as 4G, we can easily fix the
>> problem of base page mapping for the whole linear mapping if crsahkernel=
>> is set in kerne
On Fri, Mar 24, 2023 at 10:08:17PM +0800, Baoquan He wrote:
> On 03/23/23 at 05:25pm, Catalin Marinas wrote:
> > On Mon, Mar 20, 2023 at 09:12:08PM +0800, Baoquan He wrote:
> > > crashkernel=size
> > > 1)first attempt: low memory under arm64_dma_phys_limit
> > > 2)fallback: finding memory ab
Hi Leizhen,
On 03/24/23 at 10:47am, Leizhen (ThunderTown) wrote:
..
> 2) with the fixed CRASH_ADDR_LOW_MAX as 4G, we can easily fix the
> problem of base page mapping for the whole linear mapping if crsahkernel=
> is set in kernel parameter shown in [1] at bottom.
> >>>
> >>>
On 03/23/23 at 05:25pm, Catalin Marinas wrote:
> On Mon, Mar 20, 2023 at 09:12:08PM +0800, Baoquan He wrote:
> > On 03/17/23 at 06:05pm, Catalin Marinas wrote:
> > > On Fri, Mar 17, 2023 at 11:09:13PM +0800, Baoquan He wrote:
> > > > In fact, what I want to achieve is we set CRASH_ADDR_LOW_MAX to 4
On 2023/3/24 1:25, Catalin Marinas wrote:
> On Mon, Mar 20, 2023 at 09:12:08PM +0800, Baoquan He wrote:
>> On 03/17/23 at 06:05pm, Catalin Marinas wrote:
>>> On Fri, Mar 17, 2023 at 11:09:13PM +0800, Baoquan He wrote:
In fact, what I want to achieve is we set CRASH_ADDR_LOW_MAX to 4G
f
On Mon, Mar 20, 2023 at 09:12:08PM +0800, Baoquan He wrote:
> On 03/17/23 at 06:05pm, Catalin Marinas wrote:
> > On Fri, Mar 17, 2023 at 11:09:13PM +0800, Baoquan He wrote:
> > > In fact, what I want to achieve is we set CRASH_ADDR_LOW_MAX to 4G
> > > fixedly on arm64, just like what we do on x86_6
On 03/17/23 at 06:05pm, Catalin Marinas wrote:
> On Fri, Mar 17, 2023 at 11:09:13PM +0800, Baoquan He wrote:
> > On 03/16/23 at 05:35pm, Catalin Marinas wrote:
> > > On Thu, Mar 16, 2023 at 05:47:52PM +0800, Baoquan He wrote:
> > > > Now I am wondering if we should change CRASH_ADDR_LOW_MAX to 4G d
On Fri, Mar 17, 2023 at 11:09:13PM +0800, Baoquan He wrote:
> On 03/16/23 at 05:35pm, Catalin Marinas wrote:
> > On Thu, Mar 16, 2023 at 05:47:52PM +0800, Baoquan He wrote:
> > > Now I am wondering if we should change CRASH_ADDR_LOW_MAX to 4G directly
> > > since we decide to take 4G as the low mem
On 03/16/23 at 05:35pm, Catalin Marinas wrote:
> On Thu, Mar 16, 2023 at 05:47:52PM +0800, Baoquan He wrote:
> > On 03/15/23 at 02:52pm, Catalin Marinas wrote:
> > > On Mon, Mar 06, 2023 at 04:41:24PM +0800, Baoquan He wrote:
> > > > + /*
> > > > +* For crashkernel=siz
On Thu, Mar 16, 2023 at 05:47:52PM +0800, Baoquan He wrote:
> On 03/15/23 at 02:52pm, Catalin Marinas wrote:
> > On Mon, Mar 06, 2023 at 04:41:24PM +0800, Baoquan He wrote:
> > > + /*
> > > + * For crashkernel=size[KMG], if the first attempt was for
> > > + * low memory, f
Hi Catalin,
On 03/15/23 at 02:52pm, Catalin Marinas wrote:
> On Mon, Mar 06, 2023 at 04:41:24PM +0800, Baoquan He wrote:
> > On arm64, reservation for 'crashkernel=xM,high' is taken by searching for
> > suitable memory region top down. If the 'xM' of crashkernel high memory
> > is reserved from hi
On Mon, Mar 06, 2023 at 04:41:24PM +0800, Baoquan He wrote:
> On arm64, reservation for 'crashkernel=xM,high' is taken by searching for
> suitable memory region top down. If the 'xM' of crashkernel high memory
> is reserved from high memory successfully, it will try to reserve
> crashkernel low mem
On Mon, Mar 06, 2023 at 04:41:24PM +0800, Baoquan He wrote:
> On arm64, reservation for 'crashkernel=xM,high' is taken by searching for
> suitable memory region top down. If the 'xM' of crashkernel high memory
> is reserved from high memory successfully, it will try to reserve
> crashkernel low mem
On 2023/3/6 16:41, Baoquan He wrote:
> On arm64, reservation for 'crashkernel=xM,high' is taken by searching for
> suitable memory region top down. If the 'xM' of crashkernel high memory
> is reserved from high memory successfully, it will try to reserve
> crashkernel low memory later accoringly
On arm64, reservation for 'crashkernel=xM,high' is taken by searching for
suitable memory region top down. If the 'xM' of crashkernel high memory
is reserved from high memory successfully, it will try to reserve
crashkernel low memory later accoringly. Otherwise, it will try to search
low memory ar
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