On 08/31/23 at 11:23am, Leizhen (ThunderTown) wrote:
......
> > +void __init reserve_crashkernel_generic(char *cmdline,
> > + unsigned long long crash_size,
> > + unsigned long long crash_base,
> > + unsigned long long crash_low_size,
> > + bool high)
> > +{
> > + unsigned long long search_end = CRASH_ADDR_LOW_MAX, search_base = 0;
> > + bool fixed_base = false;
> > +
> > + /* User specifies base address explicitly. */
> > + if (crash_base) {
> > + fixed_base = true;
> > + search_base = crash_base;
> > + search_end = crash_base + crash_size;
> > + }
> > +
> > + if (high) {
>
> It might be a little clearer to use "else if (high) {"
Makes sense, will update.
>
> > + search_base = CRASH_ADDR_LOW_MAX;
> > + search_end = CRASH_ADDR_HIGH_MAX;
> > + }
> > +
> > +retry:
> > + crash_base = memblock_phys_alloc_range(crash_size, CRASH_ALIGN,
> > + search_base, search_end);
......
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