On Mon, Apr 08, 2019 at 05:22:39PM +0800, Chen Zhou wrote: > When crashkernel is reserved above 4G in memory, kernel should > reserve some amount of low memory for swiotlb and some DMA buffers. > So there may be two crash kernel regions, one is below 4G, the other > is above 4G. > > Currently, there is only one crash kernel region on arm64, and pass > "linux,usable-memory-range = <BASE SIZE>" property to crash dump > kernel. Now, we pass > "linux,usable-memory-range = <BASE1 SIZE1 BASE2 SIZE2>" to crash > dump kernel to support two crash kernel regions and load crash > kernel high. > > This patch paves the way for the use of arm64 reserving crashkernel > above 4G. The details are as below: > Link: > https://lore.kernel.org/linux-arm-kernel/20190403030546.23718-1-chenzho...@huawei.com/T/#t > > > Signed-off-by: Chen Zhou <chenzho...@huawei.com>
Thanks, applied. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec
