On Mon, 26 Feb 2024 10:04:33 +0800 Huang Shijie <shijie@xxxxxxxxxxxxxxxxxxxxxx> wrote: > In memory_model.h, if CONFIG_SPARSEMEM_VMEMMAP is configed, > kernel will use vmemmap to do the __pfn_to_page/page_to_pfn, > and kernel will not use the "classic sparse" to do the > __pfn_to_page/page_to_pfn. > > So export the vmemmap when CONFIG_SPARSEMEM_VMEMMAP is configed. > This makes the user applications (crash, etc) get faster > pfn_to_page/page_to_pfn operations too. This is significantly out of sync with development trees. Please take a look at linux-next and redo the patch if still needed? _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
