(Fixing Sebastian's email address) On Sat, Jan 10, 2015 at 8:44 PM, George Bush <georgebush815@xxxxxxxxx> wrote: > Hi all > > I notice we have hibernation.c in arm/kernel, however, I don't find it in arm64. > Does it mean arm64 do not support hibernation/suspend-to-disk function? Correct. arm64 is a separate architecture and will need to implement something similar to SHA 603fb42a66499ab353466c7afa3d38beea20a8a9. > I tried some path to search the reason, but found nothing, they all say arm64 > has the backward compatibility. So I send this email to the community and > hope to get the reason. > Thanks! > > I ported the arm hibernation.c to arm64/kernel(with LP64), but failed in a > strange way. When I do resume, the arch_restore_image() get a page_fault > when it calls the copy_page(), like: I'm afraid I can't help with the memory management aspects of arm64 but you've cc'ed the right people who'd know. > "Unable to handle kernel paging request at virtual address 0xffffffbc055c3fa8" > I'm sure the copy_page()'s parameters is in the memory area, why and how > I get the strange address 0xffffffbc055c3fa8? > > vmalloc: 0xffffff8000000000 - 0xffffffbb00000000 > vmemmap: 0xffffffbc01400000 - 0xffffffbc04f88000 > modules: 0xffffffbffc000000 - 0xffffffc000000000 > memory: 0xffffffc000000000 - 0xffffffc0be800000 > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
