From ebe74597a55fef00edc80a414ef5c6477d035e0a Mon Sep 17 00:00:00 2001 From: Haavard Skinnemoen Date: Mon, 14 Jan 2008 22:16:50 +0100 Subject: [PATCH] avr32: Remove useless zeroing of swapper_pg_dir at startup swapper_pg_dir is stored in .bss, so it must already be zeroed out when we get there. Signed-off-by: Haavard Skinnemoen --- arch/avr32/mm/init.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c index 5ee1e407dc..0e77578c35 100644 --- a/arch/avr32/mm/init.c +++ b/arch/avr32/mm/init.c @@ -108,19 +108,9 @@ void __init paging_init(void) zero_page = alloc_bootmem_low_pages_node(NODE_DATA(0), PAGE_SIZE); - { - pgd_t *pg_dir; - int i; - - pg_dir = swapper_pg_dir; - sysreg_write(PTBR, (unsigned long)pg_dir); - - for (i = 0; i < PTRS_PER_PGD; i++) - pgd_val(pg_dir[i]) = 0; - - enable_mmu(); - printk ("CPU: Paging enabled\n"); - } + sysreg_write(PTBR, (unsigned long)swapper_pg_dir); + enable_mmu(); + printk ("CPU: Paging enabled\n"); for_each_online_node(nid) { pg_data_t *pgdat = NODE_DATA(nid); -- 2.39.5