Re: [2.6.20.16 review 08/28] x86_64: allocate sparsemem memmap above 4G

2007-08-12 Thread Willy Tarreau
Hi Andi, On Sun, Aug 12, 2007 at 12:18:11PM +0200, Andi Kleen wrote: > On Saturday 11 August 2007 21:48, Willy Tarreau wrote: > > On systems with huge amount of physical memory, VFS cache and memory memmap > > may eat all available system memory under 4G, then the system may fail to > > allocate s

Re: [2.6.20.16 review 08/28] x86_64: allocate sparsemem memmap above 4G

2007-08-12 Thread Andi Kleen
On Saturday 11 August 2007 21:48, Willy Tarreau wrote: > On systems with huge amount of physical memory, VFS cache and memory memmap > may eat all available system memory under 4G, then the system may fail to > allocate swiotlb bounce buffer. > > There was a fix for this issue in arch/x86_64/mm/num

[2.6.20.16 review 08/28] x86_64: allocate sparsemem memmap above 4G

2007-08-11 Thread Willy Tarreau
On systems with huge amount of physical memory, VFS cache and memory memmap may eat all available system memory under 4G, then the system may fail to allocate swiotlb bounce buffer. There was a fix for this issue in arch/x86_64/mm/numa.c, but that fix dose not cover sparsemem model. This patch ad