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Message-ID: <20081208125057.GC16560@elte.hu> Date: Mon, 8 Dec 2008 13:50:58 +0100 From: Ingo Molnar <mingo@...e.hu> To: "Rafael J. Wysocki" <rjw@...k.pl> Cc: ACPI Devel Maling List <linux-acpi@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, Len Brown <lenb@...nel.org>, LKML <linux-kernel@...r.kernel.org>, pm list <linux-pm@...ts.linux-foundation.org> Subject: Re: x86: Change static allocation of trampoline area * Rafael J. Wysocki <rjw@...k.pl> wrote: > From: Rafael J. Wysocki <rjw@...k.pl> > Subject: x86: Change static allocation of trampoline area > Impact: Improvement > > While debugging a suspend-to-RAM related issue it occured to me that > if the trampoline code had grown past 4 KB, we would have been > allocating too little memory for it, since the 4 KB size of the > trampoline is hardcoded into arch/x86/kernel/e820.c . Change that > by making the kernel compute the trampoline size and allocate as much > memory as necessary. > > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl> > --- > arch/x86/include/asm/trampoline.h | 7 +++++++ > arch/x86/kernel/e820.c | 16 ---------------- > arch/x86/kernel/head32.c | 3 +++ > arch/x86/kernel/head64.c | 3 +++ > arch/x86/kernel/trampoline.c | 19 +++++++++++++++++-- > 5 files changed, 30 insertions(+), 18 deletions(-) applied to tip/x86/setup-memory, thanks Rafael! Ingo -- 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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