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avr32: Remove useless zeroing of swapper_pg_dir at startup

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swapper_pg_dir is stored in .bss, so it must already be zeroed out
when we get there.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen 2008-01-14 22:16:50 +01:00
parent b13d618b44
commit ebe74597a5
1 changed files with 3 additions and 13 deletions
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16
arch/avr32/mm/init.c
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@ -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);