Re: [RFC v2] Documentation about unaligned memory access

[Jan Engelhardt]

On Nov 29 2007 12:04, Kyle McMartin wrote:
>
>For example, if you had 4GB of virtual memory, picture it as an
>array of bytes,
>	u8 memory[4096 * (1024 * 1024)];	/* 4G bytes */

uint8_t memory[4096UL * 1024 * 1024];

>Aligned accesses would be accessing this array in this manner,
>	u16 memory[(4096 * (1024 * 1024)) / sizeof(u16)] /* 2G bytes */
>	u32 memory[(4096 * (1024 * 1024)) / sizeof(u32)] /* 1G bytes */
>	u64 memory[(4096 * (1024 * 1024)) / sizeof(u64)] /* 512M bytes */

	u64 memory[4096UL * 1024 * 1024 / sizeof(u64)] /* 4G too */
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