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| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-01-14 22:16:50 +0100 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-07-02 11:01:28 +0200 |
| commit | ebe74597a55fef00edc80a414ef5c6477d035e0a (patch) | |
| tree | 1fb3ba2c3bdeea931ae47d380692b18f537ebe09 /arch/avr32 | |
| parent | b13d618b44fefea7529bd467e55423d353a599fc (diff) | |
| download | linux-ebe74597a55fef00edc80a414ef5c6477d035e0a.tar.gz linux-ebe74597a55fef00edc80a414ef5c6477d035e0a.tar.bz2 linux-ebe74597a55fef00edc80a414ef5c6477d035e0a.zip | |
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>
Diffstat (limited to 'arch/avr32')
| -rw-r--r-- | arch/avr32/mm/init.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c index 5ee1e407dcf7..0e77578c358d 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); |