On Tuesday 20 June 2017 03:53 AM, Cong Wang wrote: > In kdump kernel, we got: > > Saving vmcore-dmesg.txt > Failed to malloc 67108864 bytes for the logbuf: Cannot allocate memory > > Apparently 64M is too luxury for a kdump kernel which only has 128M > in total. > > We can avoid allocating such a large memory chunk, instead just allocate > a smaller chunk inside the loop each time. Nice improvement. > > Verify the result by comparing the vmcore-dmesg output with and without > this patch. Yes, it works. Modification looks fine to me. Reviewed-by: Pratyush Anand <panand at redhat.com>
