On Fri, Oct 14, 2022 at 09:41:39PM +0800, Xianting Tian wrote: > The following interrelated definitions and ranges are needed by the kdump > crash tool, they are exported by "arch/riscv/kernel/crash_core.c": Better say "..., which are exported by ..." > diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst > index 6726f439958c..8e2e164cf3db 100644 > --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst > +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst > @@ -595,3 +595,33 @@ X2TLB > ----- > > Indicates whether the crashed kernel enabled SH extended mode. > + > +RISCV64 > +======= > + > +VA_BITS > +------- > + > +The maximum number of bits for virtual addresses. Used to compute the > +virtual memory ranges. > + > +PAGE_OFFSET > +----------- > + > +Indicates the virtual kernel start address of direct-mapped RAM region. > + > +phys_ram_base > +------------- > + > +Indicates the start physical RAM address. > + > +MODULES_VADDR|MODULES_END|VMALLOC_START|VMALLOC_END|VMEMMAP_START|VMEMMAP_END|KASAN_SHADOW_START|KASAN_SHADOW_END|KERNEL_LINK_ADDR|ADDRESS_SPACE_END > +---------------------------------------------------------------------------------------------------------------------------------------------------- > + > +Used to get the correct ranges: > + > + * MODULES_VADDR ~ MODULES_END : Kernel module space. > + * VMALLOC_START ~ VMALLOC_END : vmalloc() / ioremap() space. > + * VMEMMAP_START ~ VMEMMAP_END : vmemmap region, used for struct page array. > + * KASAN_SHADOW_START ~ KASAN_SHADOW_END : kasan shadow space. > + * KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END : Kernel link and BPF space. The documentation LGTM, thanks. When the patch subject is fixed, Reviewed-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx> -- An old man doll... just what I always wanted! - Clara
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