On 02/20/25 at 05:54pm, Jiri Bohac wrote: ...... > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index fb8752b42ec8..ea4d53435515 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -987,6 +987,20 @@ > 0: to disable low allocation. > It will be ignored when crashkernel=X,high is not used > or memory reserved is below 4G. > + crashkernel=size[KMG],cma > + [KNL, X86] Reserve additional crash kernel memory from CMA. > + This reservation is usable by the first system's userspace, > + so this should not be used if dumping of userspace > + memory is intended. A standard crashkernel reservation, > + as described above, is still needed to hold the crash > + kernel and initrd. > + This option increases the risk of a kdump failure: DMA > + transfers configured by the first kernel may end up > + corrupting the second kernel's memory. This reservation > + method is intended for systems that can't afford to > + sacrifice enough memory for standard crashkernel > + reservation and where less reliable kdump is preferrable There's trailing whitespace at the end of above line, checkpatch should be run to check it. > + to no kdump at all. > > cryptomgr.notests > [KNL] Disable crypto self-tests > > -- > Jiri Bohac <jbohac@xxxxxxx> > SUSE Labs, Prague, Czechia >
