Re: [bigmem-patch] 4GB with Linux on IA32

Andrea Arcangeli
1999-08-17T12:40:50Z

On Mon, 16 Aug 1999, Linus Torvalds wrote:

>pages only may be enough for many things. Especially if anonymous pages
>_prefer_ the high-memory pages.

Yes shm/vmalloc/anonymous memory always prefer the high-memory pages.

>Oh, and copied-on-write pages count as anonymous, I assume you did that
>already (ie when you allocate a new page and copy the old contents into
>it, you might as well consider the new page to be anonymous, even though
>it gets its initial data from a potentially non-anonymous page).

Yes, the copy-on-write always prefer the bigmem pages for the allocation.

Andrea