free entry in gdt_table

DISCUSSION Nico 1 participant 1 message Dec 12, 2002

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Nico

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2002-12-12 10:02 UTC #0 lore raw

Hello

I have a doubt, in kernels like 2.4.18 the second entry in gdt is not used

ENTRY(gdt_table)

        .quad 0x0000000000000000	/* NULL descriptor */
	.quad 0x0000000000000000	/* not used */
	.quad 0x00cf9a000000ffff	/* 0x10 kernel 4GB code at 0x00000000 */

there are 4 bytes lost!

Why?