On Fri, 2008-11-14 at 16:09 -0600, Hollis Blanchard wrote: > > Basically my revised proposal is to add explicit memory reservation > properties > to the device tree. Currently, "/memreserve" properties in .dts files are not > present in the device tree itself, only in the FDT header. I think these > reservations should be duplicated in the tree itself, so that they become > visible to post-boot tools like kexec. > > In summary, all memory reservations will then exist both in the device tree > and in the FDT header. Comments? > > Impact to uboot: revert memory node truncation; create reservation > and /memreserve property. > > Impact to cuboot wrapper: revert memory node truncation; create reservation > and /memreserve property. > > Impact to kernel: none. /memreserve will be ignored, since memory > reservations > are already handled properly. > > Impact to kexec-tools: Must take /memreserve into account when placing data > at "the end of memory". > > If this is all too much, then I'm close to giving up and burning a 64KB page, > which requires only ALIGN_DOWN() in the kernel.
Any comments? -- Hollis Blanchard IBM Linux Technology Center _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
