From f074e48e0a54d8c1370f319ef95e71f796cd8048 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 23 Apr 2009 21:28:32 +0000 Subject: Blackfin: drop unused bad_page pages and move zero_page to the bss The empty_bad_page/empty_bad_page_table pages are unused, so punt them. The zero_page is always allocated, so push it out to the bss to speed up the booting process a bit and pack data nicer. Signed-off-by: Mike Frysinger --- arch/blackfin/include/asm/pgtable.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/blackfin/include/asm/pgtable.h') diff --git a/arch/blackfin/include/asm/pgtable.h b/arch/blackfin/include/asm/pgtable.h index 821c699c2238..dcca3e6d6e80 100644 --- a/arch/blackfin/include/asm/pgtable.h +++ b/arch/blackfin/include/asm/pgtable.h @@ -80,7 +80,8 @@ PTE_BIT_FUNC(mkyoung, |= _PAGE_ACCESSED); * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ -#define ZERO_PAGE(vaddr) (virt_to_page(0)) +#define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page) +extern char empty_zero_page[]; extern unsigned int kobjsize(const void *objp); -- cgit v1.2.3