We will need this fix to sparsemem on IA64. I hope this will not cause other issues in sparsemem? IA64: Increase maximum physmem size to cover 8 petabyte We currently can support these large configurations only with Discontigmem. Increase sparsemems max physmem bits to also be able to handle 8 petabyte. Discontigmem supports up to 16 petabyte but I will need to use bit 53 to flag vmemmap addresses for the TLB handler. It seems that the currently used bit 60 for the 16M configuration is not supported by a certain virtualization technique. Signed-off-by: Christoph Lameter <clameter@xxxxxxx> Index: linux-2.6.22-rc2/include/asm-ia64/sparsemem.h =================================================================== --- linux-2.6.22-rc2.orig/include/asm-ia64/sparsemem.h 2007-05-22 17:28:04.000000000 -0700 +++ linux-2.6.22-rc2/include/asm-ia64/sparsemem.h 2007-05-22 17:28:37.000000000 -0700 @@ -8,7 +8,7 @@ */ #define SECTION_SIZE_BITS (30) -#define MAX_PHYSMEM_BITS (50) +#define MAX_PHYSMEM_BITS (53) #ifdef CONFIG_FORCE_MAX_ZONEORDER #if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS) #undef SECTION_SIZE_BITS - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|