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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 <haavard.skinnemoen@atmel.com>
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1 changed files with 3 additions and 13 deletions
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@ -108,19 +108,9 @@ void __init paging_init(void)
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zero_page = alloc_bootmem_low_pages_node(NODE_DATA(0),
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PAGE_SIZE);
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{
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pgd_t *pg_dir;
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int i;
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pg_dir = swapper_pg_dir;
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sysreg_write(PTBR, (unsigned long)pg_dir);
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for (i = 0; i < PTRS_PER_PGD; i++)
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pgd_val(pg_dir[i]) = 0;
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enable_mmu();
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printk ("CPU: Paging enabled\n");
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}
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sysreg_write(PTBR, (unsigned long)swapper_pg_dir);
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enable_mmu();
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printk ("CPU: Paging enabled\n");
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for_each_online_node(nid) {
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pg_data_t *pgdat = NODE_DATA(nid);
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