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d344e38b2c
We reserve lowmem for the things that need it, like the ACPI wakeup code, way early to guarantee availability. This happens before we set up the proper pagetables, so set_memory_x() has no effect. Until we have a better solution, use an initcall to mark the wakeup code executable. Originally-by: Matthieu Castet <castet.matthieu@free.fr> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Matthias Hopf <mhopf@suse.de> Cc: rjw@sisk.pl Cc: Suresh Siddha <suresh.b.siddha@intel.com> LKML-Reference: <4D4F8019.2090104@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>