On 02/13/24 at 05:01pm, Hari Bathini wrote: > struct crash_mem defined under include/linux/crash_core.h represents > a list of memory ranges. While it is used to represent memory ranges
>From its name, it's not only representing memory ranges, it's representing crash memory ranges. Except of this, the whole series looks good to me. Thanks for the effort. > for kdump kernel, it can also be used for other kind of memory ranges. > In fact, KEXEC_FILE_LOAD syscall in powerpc uses this structure to > represent reserved memory ranges and exclude memory ranges needed to > find the right memory regions to load kexec kernel. So, make the > definition of crash_mem structure available for !CONFIG_CRASH_DUMP > case too. > > Signed-off-by: Hari Bathini <hbath...@linux.ibm.com> > --- > include/linux/crash_core.h | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h > index 23270b16e1db..d33352c2e386 100644 > --- a/include/linux/crash_core.h > +++ b/include/linux/crash_core.h > @@ -8,6 +8,12 @@ > > struct kimage; > > +struct crash_mem { > + unsigned int max_nr_ranges; > + unsigned int nr_ranges; > + struct range ranges[] __counted_by(max_nr_ranges); > +}; > + > #ifdef CONFIG_CRASH_DUMP > > int crash_shrink_memory(unsigned long new_size); > @@ -51,12 +57,6 @@ static inline unsigned int crash_get_elfcorehdr_size(void) > { return 0; } > /* Alignment required for elf header segment */ > #define ELF_CORE_HEADER_ALIGN 4096 > > -struct crash_mem { > - unsigned int max_nr_ranges; > - unsigned int nr_ranges; > - struct range ranges[] __counted_by(max_nr_ranges); > -}; > - > extern int crash_exclude_mem_range(struct crash_mem *mem, > unsigned long long mstart, > unsigned long long mend); > -- > 2.43.0 > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec