Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ebe74597 authored by Haavard Skinnemoen's avatar Haavard Skinnemoen
Browse files

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: default avatarHaavard Skinnemoen <haavard.skinnemoen@atmel.com>
parent b13d618b

arch/avr32/mm/init.c

+3 −13
Original line number Diff line number Diff line
@@ -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;



	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);