From: "David S. Miller" <[email protected]> 3.12-stable review patch. If anyone has any objections, please let me know.
=============== This makes clearer the implications for a given choosen value. Based upon patches by Bob Picco. Signed-off-by: David S. Miller <[email protected]> Acked-by: Bob Picco <[email protected]> --- arch/sparc/include/asm/page_64.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index d95931247feb..9dd0f7360822 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -117,7 +117,9 @@ typedef pte_t *pgtable_t; /* We used to stick this into a hard-coded global register (%g4) * but that does not make sense anymore. */ -#define PAGE_OFFSET _AC(0xFFFFF80000000000,UL) +#define MAX_SUPPORTED_PA_BITS 43 +#define PAGE_OFFSET_BY_BITS(X) (-(_AC(1,UL) << (X))) +#define PAGE_OFFSET PAGE_OFFSET_BY_BITS(MAX_SUPPORTED_PA_BITS) #ifndef __ASSEMBLY__ -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
