Re: [PATCH] madvise/mincore for 2.3.34-1

Linus Torvalds (torvalds@transmeta.com)
Mon, 20 Dec 1999 14:25:01 -0800 (PST)

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On Mon, 20 Dec 1999, Chuck Lever wrote:
>
> there's one unused bit left. are there any issues if i expand vm_flags to
> a full word? is there any code that assumes that vm_page_prot and
> vm_flags are adjacent in the vma struct, and of a certain size?

No, there are no bad users (and if there were, I'd prefer breaking them
to letting them live). Just make the vm_flags be a full word, I don't know
why we tried to save a measly 2 bytes for this.

Linus

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