From: Wang Sheng-Hui Date: Wed, 7 May 2014 07:28:12 +0000 (+0800) Subject: tile: cleanup the comment in init_pgprot X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e540e835f89c3cfa0eca5d909047224c78c874a8;p=linux-beck.git tile: cleanup the comment in init_pgprot In tile vmlinux, the rodata area start after the _sdata. The rodata area is included between [_sdata, __end_rodata), and is handled at an earlier point. The page walk starts at __end_rodata, not _sdata. Signed-off-by: Wang Sheng-Hui Signed-off-by: Chris Metcalf --- diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index 0fa1acfac79a..7ba1dc3d41fa 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c @@ -273,9 +273,9 @@ static pgprot_t __init init_pgprot(ulong address) /* * Otherwise we just hand out consecutive cpus. To avoid * requiring this function to hold state, we just walk forward from - * _sdata by PAGE_SIZE, skipping the readonly and init data, to reach - * the requested address, while walking cpu home around kdata_mask. - * This is typically no more than a dozen or so iterations. + * __end_rodata by PAGE_SIZE, skipping the readonly and init data, to + * reach the requested address, while walking cpu home around + * kdata_mask. This is typically no more than a dozen or so iterations. */ page = (((ulong)__end_rodata) + PAGE_SIZE - 1) & PAGE_MASK; BUG_ON(address < page || address >= (ulong)_end);