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SubjectRe: x86: Change static allocation of trampoline area

* Rafael J. Wysocki <rjw@sisk.pl> wrote:

> From: Rafael J. Wysocki <rjw@sisk.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@sisk.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


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