Re: [PATCH v3 3/3] mtd/nand : workaround for Freescale FCM tosupport large-page Nand chip

From: Artem Bityutskiy
Date: Tue Nov 22 2011 - 16:04:28 EST


On Tue, 2011-11-15 at 17:29 +0800, b35362@xxxxxxxxxxxxx wrote:
> + /*
> + * Freescale FCM controller has a 2K size limitation of buffer
> + * RAM, so elbc_fcm_ctrl->buffer have to be used if writesize
> + * of chip is greater than 2048.
> + * We malloc a large enough buffer at this point, because we
> + * don't know writesize before calling nand_scan(). We will
> + * re-malloc later if needed.
> + */
> + elbc_fcm_ctrl->buffer = kmalloc(4096 * 6, GFP_KERNEL);
> + if (!elbc_fcm_ctrl->buffer)
> + return -ENOMEM;

Why 4096*6? Judging from the comment it should be 4096.

Artem.

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