Hello, 32-bit Kernel for loongson2e currently use 16KB page size to avoid cache alias problem.So, the definiton of PGDIR_SHIFT muse be 14+12. The last is the patch. It's been tested on FuLong mini PC(loongson2e inside). -------------------- --- a/include/asm-mips/pgtable-32.h 2007-07-19 08:22:43.000000000 +0800 +++ b/include/asm-mips/pgtable-32.h 2007-07-20 11:12:40.000000000 +0800 @@ -46,7 +46,7 @@ #ifdef CONFIG_64BIT_PHYS_ADDR #define PGDIR_SHIFT 21 #else -#define PGDIR_SHIFT 22 +#define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT + PTE_ORDER - 2)) #endif #define PGDIR_SIZE (1UL << PGDIR_SHIFT) #define PGDIR_MASK (~(PGDIR_SIZE-1))
