> --- > mm/page_alloc.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 98cbdf6..23b921f 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -6140,6 +6140,8 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn) > list_del(&page->lru); > rmv_page_order(page); > zone->free_area[order].nr_free--; > + if (PageHighMem(page)) > + totalhigh_pages -= 1 << order; > for (i = 0; i < (1 << order); i++) > SetPageReserved((page+i)); > pfn += (1 << order); memory hotplug don't support 32bit since it was born, at least, when the system has highmem. Why can't we disable memory hotremove when 32bit at compile time? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>