On 04/14/14 at 11:13am, Simon Horman wrote: > Could you please explain why this is necessary. add_memmap() will also add memory range with type RANGE_ACPI and RANGE_ACPI_NVS (RANGE_RESERVED in the future) besides RANGE_RAM to memmap_p. Among these types of memory range, only RANGE_RAM needs to be aligned with certain alignment. RANGE_ACPI, RANGE_ACPI_NVS and RANGE_RESERVED doesn't have to be aligned. I'll add above comment to the patch description. > > Also, it seems to me that it would make sense to move this > patch so that is is immediately after patch 2 in the series. Will do. > > On Fri, Apr 11, 2014 at 10:23:25AM +0800, WANG Chao wrote: > > Signed-off-by: WANG Chao <chaowang at redhat.com> > > --- > > kexec/arch/i386/crashdump-x86.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/kexec/arch/i386/crashdump-x86.c b/kexec/arch/i386/crashdump-x86.c > > index 43eb8f7..4072c10 100644 > > --- a/kexec/arch/i386/crashdump-x86.c > > +++ b/kexec/arch/i386/crashdump-x86.c > > @@ -482,8 +482,8 @@ static int add_memmap(struct memory_range *memmap_p, int *nr_memmap_p, > > int i, j, nr_entries = 0, tidx = 0, align = 1024; > > unsigned long long mstart, mend; > > > > - /* Do alignment check. */ > > - if ((addr%align) || (size%align)) > > + /* Do alignment check if it's RANGE_RAM */ > > + if ((type == RANGE_RAM) && ((addr%align) || (size%align))) > > return -1; > > > > /* Make sure at least one entry in list is free. */ > > -- > > 1.8.5.3 > >