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Message-id: <1376361475-17778-1-git-send-email-heesub.shin@samsung.com> Date: Tue, 13 Aug 2013 11:37:55 +0900 From: Heesub Shin <heesub.shin@...sung.com> To: Alexander Viro <viro@...iv.linux.org.uk> Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, Heesub Shin <heesub.shin@...sung.com>, Dongjun Shin <d.j.shin@...sung.com> Subject: [PATCH] fs/buffer.c: use lowmem_page_address instead of page_address Here, the page has been identified as lowmem already. So, calling lowmem_page_address() directly is a little cheaper than page_address(). Signed-off-by: Heesub Shin <heesub.shin@...sung.com> Cc: Dongjun Shin <d.j.shin@...sung.com> --- fs/buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/buffer.c b/fs/buffer.c index 695eb14..ccc2c7b 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1464,7 +1464,7 @@ void set_bh_page(struct buffer_head *bh, */ bh->b_data = (char *)(0 + offset); else - bh->b_data = page_address(page) + offset; + bh->b_data = lowmem_page_address(page) + offset; } EXPORT_SYMBOL(set_bh_page); -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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