>>>>> On Sat, 17 May 2003 21:45:55 +0900 (JST), Atsushi Nemoto <anemo@xxxxxxxxxxxxx> said: anemo> On TX39/TX49, high 16MB in virtual address space anemo> (0xff000000-0xffffffff) are reserved and can not be used as anemo> normal mapped/cached segment. anemo> This patch fixes FIXADDR_TOP for TX39/TX49. FIXADDR_TOP is anemo> used not only if CONFIG_HIGHMEM is enabled. It is also used anemo> for high limit address for vmalloc. anemo> This patch can be applied to both 2.4 and 2.5. I'm not sure anemo> whether subtracting 0x2000 is necessary or not but doing it is anemo> a safe bet. Please apply. This patch can still be applied to 2.6. Could you apply? --- linux-mips/include/asm-mips/fixmap.h Sat Nov 27 00:39:25 2004 +++ linux/include/asm-mips/fixmap.h Sat Dec 18 21:21:01 2004 @@ -70,7 +70,11 @@ * the start of the fixmap, and leave one page empty * at the top of mem.. */ +#if defined(CONFIG_CPU_TX39XX) || defined(CONFIG_CPU_TX49XX) +#define FIXADDR_TOP (0xff000000UL - 0x2000) +#else #define FIXADDR_TOP (0xffffe000UL) +#endif #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) --- Atsushi Nemoto
