Messages in this thread | | | From | Milton Miller <> | Subject | RE: [ v4] powerpc: Force page alignment for initrd reserved memory | Date | Mon, 23 May 2011 12:39:06 -0500 |
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On Mon, 23 May 2011 about 10:50:07 -0600, Dave Carroll wrote: > I'm withdrawing this patch for the moment, due to two areas that need > further research; > > 1) An adjacent FDT blob, as mentioned by Milton Miller, and >
Ok ... by the way, see move_device_tree() in arch/powerpc/kernel/prom.c
> 2) Potential interaction with the crash kernel, as used in > init/initramfs.c
which already goes around the start and end of crashk_res, which is adjusted to PAGE_ALIGN in reserve_crashkernel() in machine_kexec.c
> If anyone sees other interactions, please feel free to let me know ... > > Thanks, > -Dave Carroll
One interaction that I have ignored is preserve_initrd overlapping crash kernel. Loading the crash kernel destroys the preserved initrd. But that is beyond the scope of your current patch (and probably a seperate patch, with cross-architecture scope).
milton
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