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Date: Fri, 13 Apr 2007 13:36:33 -0700 From: Jeremy Fitzhardinge <jeremy@...p.org> To: "H. Peter Anvin" <hpa@...or.com> CC: Zachary Amsden <zach@...are.com>, Chris Wright <chrisw@...s-sol.org>, Andi Kleen <ak@...e.de>, "Eric W. Biederman" <ebiederm@...ssion.com>, Linus Torvalds <torvalds@...l.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Crash while mapping memory in pagetable_init() (Was: Re: .config) H. Peter Anvin wrote: > I suggest, for clarity and to minimize bloat: I think it would save a page, at most. But OK. (Also, if you're running !PAE, these pages will actually become part of the init_mm pagetable, so there's no memory wastage at all.) > #ifdef CONFIG_X86_PAE > # define PAGE_TABLE_SIZE ((2048+4)*4096) > #else > # define PAGE_TABLE_SIZE ((1024+1)*4096) 1024 should be enough; the pgd is still swapper_pg_dir, and there are no pmds. J - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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