Re: [PATCH v3] arm64: add ARM64-specific support for flatmem

2018-07-10 Thread Will Deacon
On Tue, Jul 10, 2018 at 03:25:14PM +0200, Arnd Bergmann wrote: > On Tue, Jul 10, 2018 at 3:06 PM, Will Deacon wrote: > > On Tue, Jul 10, 2018 at 02:55:41PM +0200, Arnd Bergmann wrote: > >> On Fri, Jul 6, 2018 at 7:47 PM, Nikunj Kela wrote: > >> > Flatmem is useful in reducing kernel memory usage.

Re: [PATCH v3] arm64: add ARM64-specific support for flatmem

2018-07-10 Thread Arnd Bergmann
On Tue, Jul 10, 2018 at 3:06 PM, Will Deacon wrote: > Hi Arnd, > > On Tue, Jul 10, 2018 at 02:55:41PM +0200, Arnd Bergmann wrote: >> On Fri, Jul 6, 2018 at 7:47 PM, Nikunj Kela wrote: >> > Flatmem is useful in reducing kernel memory usage. >> > One usecase is in kdump kernel. We are able to save

Re: [PATCH v3] arm64: add ARM64-specific support for flatmem

2018-07-10 Thread Will Deacon
Hi Arnd, On Tue, Jul 10, 2018 at 02:55:41PM +0200, Arnd Bergmann wrote: > On Fri, Jul 6, 2018 at 7:47 PM, Nikunj Kela wrote: > > Flatmem is useful in reducing kernel memory usage. > > One usecase is in kdump kernel. We are able to save > > ~14M by moving to flatmem scheme. > > > > Cc: xe-ker...@e

Re: [PATCH v3] arm64: add ARM64-specific support for flatmem

2018-07-10 Thread Arnd Bergmann
On Fri, Jul 6, 2018 at 7:47 PM, Nikunj Kela wrote: > Flatmem is useful in reducing kernel memory usage. > One usecase is in kdump kernel. We are able to save > ~14M by moving to flatmem scheme. > > Cc: xe-ker...@external.cisco.com > Cc: Nikunj Kela > Signed-off-by: Nikunj Kela > --- > arch/arm6

[PATCH v3] arm64: add ARM64-specific support for flatmem

2018-07-06 Thread Nikunj Kela
Flatmem is useful in reducing kernel memory usage. One usecase is in kdump kernel. We are able to save ~14M by moving to flatmem scheme. Cc: xe-ker...@external.cisco.com Cc: Nikunj Kela Signed-off-by: Nikunj Kela --- arch/arm64/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch