Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-20 Thread Philipp Hachtmann
Am Fri, 17 Jan 2014 18:08:13 + schrieb "Strashko, Grygorii" : Hello Grygorii, > > The current patch seems to be overly complicated. > > The following patch contains only the nomap functionality without > > any cleanup and refactoring. I will post a V4 patch set which will > > contain this

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-20 Thread Philipp Hachtmann
Am Fri, 17 Jan 2014 18:08:13 + schrieb Strashko, Grygorii grygorii.stras...@ti.com: Hello Grygorii, The current patch seems to be overly complicated. The following patch contains only the nomap functionality without any cleanup and refactoring. I will post a V4 patch set which will

RE: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-17 Thread Strashko, Grygorii
Hi Philipp, On 01/14/2014 08:52 PM, Philipp Hachtmann wrote: > Hello Grygorii, > > thank you for your comments. > > To clarify we have the following requirements for memblock: > > (1) Reserved areas can be declared before memory is added. > (2) The physical memory is detected once only. > (3)

RE: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-17 Thread Strashko, Grygorii
Hi Philipp, On 01/14/2014 08:52 PM, Philipp Hachtmann wrote: Hello Grygorii, thank you for your comments. To clarify we have the following requirements for memblock: (1) Reserved areas can be declared before memory is added. (2) The physical memory is detected once only. (3) The free

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Andrew Morton
On Tue, 14 Jan 2014 10:42:53 +0100 Philipp Hachtmann wrote: > Am Mon, 13 Jan 2014 16:36:20 -0800 > schrieb Andrew Morton : > > > Patch is big. I'll toss this in for some testing but it does look too > > large and late for 3.14. How will this affect your s390 development? > > It is needed

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Philipp Hachtmann
Hello Grygorii, thank you for your comments. To clarify we have the following requirements for memblock: (1) Reserved areas can be declared before memory is added. (2) The physical memory is detected once only. (3) The free memory (i.e. not reserved) memory can be iterated to add it to the

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Santosh Shilimkar
On Tuesday 14 January 2014 08:17 AM, Grygorii Strashko wrote: > Hi Philipp, > > On 01/13/2014 03:03 PM, Philipp Hachtmann wrote: >> Add a new memory state "nomap" to memblock. This can be used to truncate >> the usable memory in the system without forgetting about what is really >> installed. >

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Grygorii Strashko
Hi Philipp, On 01/13/2014 03:03 PM, Philipp Hachtmann wrote: > Add a new memory state "nomap" to memblock. This can be used to truncate > the usable memory in the system without forgetting about what is really > installed. Sorry, but this solution looks a bit complex (and probably wrong - from

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Philipp Hachtmann
Am Mon, 13 Jan 2014 16:36:20 -0800 schrieb Andrew Morton : > Patch is big. I'll toss this in for some testing but it does look too > large and late for 3.14. How will this affect your s390 development? It is needed for s390 bootmem -> memblock transition. The s390 dump mechanisms cannot be

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Philipp Hachtmann
Am Mon, 13 Jan 2014 16:36:20 -0800 schrieb Andrew Morton a...@linux-foundation.org: Patch is big. I'll toss this in for some testing but it does look too large and late for 3.14. How will this affect your s390 development? It is needed for s390 bootmem - memblock transition. The s390 dump

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Grygorii Strashko
Hi Philipp, On 01/13/2014 03:03 PM, Philipp Hachtmann wrote: Add a new memory state nomap to memblock. This can be used to truncate the usable memory in the system without forgetting about what is really installed. Sorry, but this solution looks a bit complex (and probably wrong - from

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Santosh Shilimkar
On Tuesday 14 January 2014 08:17 AM, Grygorii Strashko wrote: Hi Philipp, On 01/13/2014 03:03 PM, Philipp Hachtmann wrote: Add a new memory state nomap to memblock. This can be used to truncate the usable memory in the system without forgetting about what is really installed. Sorry,

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Philipp Hachtmann
Hello Grygorii, thank you for your comments. To clarify we have the following requirements for memblock: (1) Reserved areas can be declared before memory is added. (2) The physical memory is detected once only. (3) The free memory (i.e. not reserved) memory can be iterated to add it to the

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-14 Thread Andrew Morton
On Tue, 14 Jan 2014 10:42:53 +0100 Philipp Hachtmann pha...@linux.vnet.ibm.com wrote: Am Mon, 13 Jan 2014 16:36:20 -0800 schrieb Andrew Morton a...@linux-foundation.org: Patch is big. I'll toss this in for some testing but it does look too large and late for 3.14. How will this affect

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-13 Thread Andrew Morton
On Mon, 13 Jan 2014 14:03:37 +0100 Philipp Hachtmann wrote: > Add a new memory state "nomap" to memblock. This can be used to truncate > the usable memory in the system without forgetting about what is really > installed. > > ... > > 5 files changed, 254 insertions(+), 70 deletions(-) Patch

Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas

2014-01-13 Thread Andrew Morton
On Mon, 13 Jan 2014 14:03:37 +0100 Philipp Hachtmann pha...@linux.vnet.ibm.com wrote: Add a new memory state nomap to memblock. This can be used to truncate the usable memory in the system without forgetting about what is really installed. ... 5 files changed, 254 insertions(+), 70