Re: [PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-24 Thread Xunlei Pang
On 2016/08/24 at 16:20, Dave Young wrote: > On 08/23/16 at 06:11pm, Yinghai Lu wrote: >> On Wed, Aug 17, 2016 at 1:20 AM, Dave Young wrote: >>> On 08/17/16 at 09:50am, Xunlei Pang wrote: "/sys/kernel/kexec_crash_size" only handles crashk_res, it is fine in most cases,

Re: [PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-24 Thread Xunlei Pang
On 2016/08/24 at 16:20, Dave Young wrote: > On 08/23/16 at 06:11pm, Yinghai Lu wrote: >> On Wed, Aug 17, 2016 at 1:20 AM, Dave Young wrote: >>> On 08/17/16 at 09:50am, Xunlei Pang wrote: "/sys/kernel/kexec_crash_size" only handles crashk_res, it is fine in most cases, but sometimes we

Re: [PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-24 Thread Dave Young
On 08/23/16 at 06:11pm, Yinghai Lu wrote: > On Wed, Aug 17, 2016 at 1:20 AM, Dave Young wrote: > > On 08/17/16 at 09:50am, Xunlei Pang wrote: > >> "/sys/kernel/kexec_crash_size" only handles crashk_res, it > >> is fine in most cases, but sometimes we have crashk_low_res. > >>

Re: [PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-24 Thread Dave Young
On 08/23/16 at 06:11pm, Yinghai Lu wrote: > On Wed, Aug 17, 2016 at 1:20 AM, Dave Young wrote: > > On 08/17/16 at 09:50am, Xunlei Pang wrote: > >> "/sys/kernel/kexec_crash_size" only handles crashk_res, it > >> is fine in most cases, but sometimes we have crashk_low_res. > >> For example, when

Re: [PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-23 Thread Yinghai Lu
On Wed, Aug 17, 2016 at 1:20 AM, Dave Young wrote: > On 08/17/16 at 09:50am, Xunlei Pang wrote: >> "/sys/kernel/kexec_crash_size" only handles crashk_res, it >> is fine in most cases, but sometimes we have crashk_low_res. >> For example, when "crashkernel=size[KMG],high"

Re: [PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-23 Thread Yinghai Lu
On Wed, Aug 17, 2016 at 1:20 AM, Dave Young wrote: > On 08/17/16 at 09:50am, Xunlei Pang wrote: >> "/sys/kernel/kexec_crash_size" only handles crashk_res, it >> is fine in most cases, but sometimes we have crashk_low_res. >> For example, when "crashkernel=size[KMG],high" combined with >>

Re: [PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-17 Thread Dave Young
On 08/17/16 at 09:50am, Xunlei Pang wrote: > "/sys/kernel/kexec_crash_size" only handles crashk_res, it > is fine in most cases, but sometimes we have crashk_low_res. > For example, when "crashkernel=size[KMG],high" combined with > "crashkernel=size[KMG],low" is used for 64-bit x86. > > Like

Re: [PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-17 Thread Dave Young
On 08/17/16 at 09:50am, Xunlei Pang wrote: > "/sys/kernel/kexec_crash_size" only handles crashk_res, it > is fine in most cases, but sometimes we have crashk_low_res. > For example, when "crashkernel=size[KMG],high" combined with > "crashkernel=size[KMG],low" is used for 64-bit x86. > > Like

[PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-16 Thread Xunlei Pang
"/sys/kernel/kexec_crash_size" only handles crashk_res, it is fine in most cases, but sometimes we have crashk_low_res. For example, when "crashkernel=size[KMG],high" combined with "crashkernel=size[KMG],low" is used for 64-bit x86. Like crashk_res, we introduce the corresponding sysfs file

[PATCH v2 1/2] kexec: Introduce "/sys/kernel/kexec_crash_low_size"

2016-08-16 Thread Xunlei Pang
"/sys/kernel/kexec_crash_size" only handles crashk_res, it is fine in most cases, but sometimes we have crashk_low_res. For example, when "crashkernel=size[KMG],high" combined with "crashkernel=size[KMG],low" is used for 64-bit x86. Like crashk_res, we introduce the corresponding sysfs file