On Tue, Nov 07, 2017 at 04:03:31PM -0800, 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. > > Verify the result by comparing the vmcore-dmesg output with and without > this patch. > > Cc: Simon Horman <horms at verge.net.au> > Reviewed-by: Dave Young <dyoung at redhat.com> > Reviewed-by: Pratyush Anand <panand at redhat.com> > Signed-off-by: Cong Wang <xiyou.wangcong at gmail.com> Thanks, applied.
