From 05f800a0bd08e14606ac63e0a5c63ed6880acaab Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Thu, 18 Jul 2019 15:57:01 -0700 Subject: [PATCH] mm/memory_hotplug: drop MHP_MEMBLOCK_API No longer needed, the callers of arch_add_memory() can handle this manually. Link: http://lkml.kernel.org/r/20190527111152.16324-9-david@redhat.com Signed-off-by: David Hildenbrand Reviewed-by: Wei Yang Acked-by: Michal Hocko Cc: David Hildenbrand Cc: Oscar Salvador Cc: Pavel Tatashin Cc: Joonsoo Kim Cc: Qian Cai Cc: Arun KS Cc: Mathieu Malaterre Cc: Mike Rapoport Cc: Alex Deucher Cc: Andrew Banman Cc: Andy Lutomirski Cc: Anshuman Khandual Cc: Ard Biesheuvel Cc: Baoquan He Cc: Benjamin Herrenschmidt Cc: Borislav Petkov Cc: Catalin Marinas Cc: Chintan Pandya Cc: Christophe Leroy Cc: Chris Wilson Cc: Dan Williams Cc: Dave Hansen Cc: "David S. Miller" Cc: Fenghua Yu Cc: Greg Kroah-Hartman Cc: Heiko Carstens Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Jonathan Cameron Cc: Jun Yao Cc: "Kirill A. Shutemov" Cc: Logan Gunthorpe Cc: Mark Brown Cc: Mark Rutland Cc: Masahiro Yamada Cc: Michael Ellerman Cc: Mike Rapoport Cc: "mike.travis@hpe.com" Cc: Nicholas Piggin Cc: Oscar Salvador Cc: Paul Mackerras Cc: Peter Zijlstra Cc: "Rafael J. Wysocki" Cc: Rich Felker Cc: Rob Herring Cc: Robin Murphy Cc: Thomas Gleixner Cc: Tony Luck Cc: Vasily Gorbik Cc: Will Deacon Cc: Yoshinori Sato Cc: Yu Zhao Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/memory_hotplug.h | 8 -------- mm/memory_hotplug.c | 9 +++------ 2 files changed, 3 insertions(+), 14 deletions(-) diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 87bf9c4..36c514b 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -128,14 +128,6 @@ extern void arch_remove_memory(int nid, u64 start, u64 size, extern void __remove_pages(struct zone *zone, unsigned long start_pfn, unsigned long nr_pages, struct vmem_altmap *altmap); -/* - * Do we want sysfs memblock files created. This will allow userspace to online - * and offline memory explicitly. Lack of this bit means that the caller has to - * call move_pfn_range_to_zone to finish the initialization. - */ - -#define MHP_MEMBLOCK_API (1<<0) - /* reasonably generic interface to expand the physical pages */ extern int __add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages, struct mhp_restrictions *restrictions); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 7829152..fb9dc3f 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -251,7 +251,7 @@ void __init register_page_bootmem_info_node(struct pglist_data *pgdat) #endif /* CONFIG_HAVE_BOOTMEM_INFO_NODE */ static int __meminit __add_section(int nid, unsigned long phys_start_pfn, - struct vmem_altmap *altmap, bool want_memblock) + struct vmem_altmap *altmap) { int ret; @@ -294,8 +294,7 @@ int __ref __add_pages(int nid, unsigned long phys_start_pfn, } for (i = start_sec; i <= end_sec; i++) { - err = __add_section(nid, section_nr_to_pfn(i), altmap, - restrictions->flags & MHP_MEMBLOCK_API); + err = __add_section(nid, section_nr_to_pfn(i), altmap); /* * EEXIST is finally dealt with by ioresource collision @@ -1065,9 +1064,7 @@ static int online_memory_block(struct memory_block *mem, void *arg) */ int __ref add_memory_resource(int nid, struct resource *res) { - struct mhp_restrictions restrictions = { - .flags = MHP_MEMBLOCK_API, - }; + struct mhp_restrictions restrictions = {}; u64 start, size; bool new_node = false; int ret; -- 2.7.4