Dajie Tan wrote:
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))
Ralf, please take a look at this patch, and I suspect the "21" also need
to be fixed too.
Dajie Tan, would you please resend the patch with correct format and add
a detailed comment as you posted on lemote forum? Thanks.
