Re: [PATCH 07/13] ia64: make SPARSEMEM default and disable DISCONTIGMEM

2020-12-13 Thread Mike Rapoport
On Sat, Dec 12, 2020 at 08:01:44AM -0800, Guenter Roeck wrote: > On Tue, Oct 27, 2020 at 01:29:49PM +0200, Mike Rapoport wrote: > > From: Mike Rapoport > > > > SPARSEMEM memory model suitable for systems with large holes in their > > phyiscal memory layout. With SPARSEMEM_VMEMMAP enabled it provi

Re: [PATCH 07/13] ia64: make SPARSEMEM default and disable DISCONTIGMEM

2020-12-12 Thread Guenter Roeck
On Tue, Oct 27, 2020 at 01:29:49PM +0200, Mike Rapoport wrote: > From: Mike Rapoport > > SPARSEMEM memory model suitable for systems with large holes in their > phyiscal memory layout. With SPARSEMEM_VMEMMAP enabled it provides > pfn_to_page() and page_to_pfn() as fast as FLATMEM. > > Make it th

[PATCH 07/13] ia64: make SPARSEMEM default and disable DISCONTIGMEM

2020-10-27 Thread Mike Rapoport
From: Mike Rapoport SPARSEMEM memory model suitable for systems with large holes in their phyiscal memory layout. With SPARSEMEM_VMEMMAP enabled it provides pfn_to_page() and page_to_pfn() as fast as FLATMEM. Make it the default memory model for IA-64 and disable DISCONTIGMEM which is considered