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-rw-r--r--arch/x86/mm/init_64.c28
-rw-r--r--arch/x86/mm/ioremap_64.c17
-rw-r--r--arch/x86/mm/numa_64.c21
-rw-r--r--arch/x86/mm/srat_64.c57
4 files changed, 0 insertions, 123 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 0fbb657a8b1..251eeb325ae 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -486,34 +486,6 @@ EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
#endif /* CONFIG_MEMORY_HOTPLUG */
-#ifdef CONFIG_MEMORY_HOTPLUG_RESERVE
-/*
- * Memory Hotadd without sparsemem. The mem_maps have been allocated in advance,
- * just online the pages.
- */
-int __add_pages(struct zone *z, unsigned long start_pfn, unsigned long nr_pages)
-{
- int err = -EIO;
- unsigned long pfn;
- unsigned long total = 0, mem = 0;
- for (pfn = start_pfn; pfn < start_pfn + nr_pages; pfn++) {
- if (pfn_valid(pfn)) {
- online_page(pfn_to_page(pfn));
- err = 0;
- mem++;
- }
- total++;
- }
- if (!err) {
- z->spanned_pages += total;
- z->present_pages += mem;
- z->zone_pgdat->node_spanned_pages += total;
- z->zone_pgdat->node_present_pages += mem;
- }
- return err;
-}
-#endif
-
static struct kcore_list kcore_mem, kcore_vmalloc, kcore_kernel, kcore_modules,
kcore_vsyscall;
diff --git a/arch/x86/mm/ioremap_64.c b/arch/x86/mm/ioremap_64.c
index 6cac90aa503..b03db4ca9ca 100644
--- a/arch/x86/mm/ioremap_64.c
+++ b/arch/x86/mm/ioremap_64.c
@@ -86,23 +86,6 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
if (phys_addr >= ISA_START_ADDRESS && last_addr < ISA_END_ADDRESS)
return (__force void __iomem *)phys_to_virt(phys_addr);
-#ifdef CONFIG_FLATMEM
- /*
- * Don't allow anybody to remap normal RAM that we're using..
- */
- if (last_addr < virt_to_phys(high_memory)) {
- char *t_addr, *t_end;
- struct page *page;
-
- t_addr = __va(phys_addr);
- t_end = t_addr + (size - 1);
-
- for(page = virt_to_page(t_addr); page <= virt_to_page(t_end); page++)
- if(!PageReserved(page))
- return NULL;
- }
-#endif
-
pgprot = __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_GLOBAL
| _PAGE_DIRTY | _PAGE_ACCESSED | flags);
/*
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 29b69300aee..46b4b5e1a02 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -153,12 +153,10 @@ int __init compute_hash_shift(struct bootnode *nodes, int numnodes)
return shift;
}
-#ifdef CONFIG_SPARSEMEM
int early_pfn_to_nid(unsigned long pfn)
{
return phys_to_nid(pfn << PAGE_SHIFT);
}
-#endif
static void * __init early_node_mem(int nodeid, unsigned long start,
unsigned long end, unsigned long size)
@@ -635,23 +633,4 @@ void __init init_cpu_to_node(void)
}
}
-#ifdef CONFIG_DISCONTIGMEM
-/*
- * Functions to convert PFNs from/to per node page addresses.
- * These are out of line because they are quite big.
- * They could be all tuned by pre caching more state.
- * Should do that.
- */
-int pfn_valid(unsigned long pfn)
-{
- unsigned nid;
- if (pfn >= num_physpages)
- return 0;
- nid = pfn_to_nid(pfn);
- if (nid == 0xff)
- return 0;
- return pfn >= node_start_pfn(nid) && (pfn) < node_end_pfn(nid);
-}
-EXPORT_SYMBOL(pfn_valid);
-#endif
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index ea85172fc0c..9be14171144 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -151,62 +151,6 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
pxm, pa->apic_id, node);
}
-#ifdef CONFIG_MEMORY_HOTPLUG_RESERVE
-/*
- * Protect against too large hotadd areas that would fill up memory.
- */
-static int hotadd_enough_memory(struct bootnode *nd)
-{
- static unsigned long allocated;
- static unsigned long last_area_end;
- unsigned long pages = (nd->end - nd->start) >> PAGE_SHIFT;
- long mem = pages * sizeof(struct page);
- unsigned long addr;
- unsigned long allowed;
- unsigned long oldpages = pages;
-
- if (mem < 0)
- return 0;
- allowed = (end_pfn - absent_pages_in_range(0, end_pfn)) * PAGE_SIZE;
- allowed = (allowed / 100) * hotadd_percent;
- if (allocated + mem > allowed) {
- unsigned long range;
- /* Give them at least part of their hotadd memory upto hotadd_percent
- It would be better to spread the limit out
- over multiple hotplug areas, but that is too complicated
- right now */
- if (allocated >= allowed)
- return 0;
- range = allowed - allocated;
- pages = (range / PAGE_SIZE);
- mem = pages * sizeof(struct page);
- nd->end = nd->start + range;
- }
- /* Not completely fool proof, but a good sanity check */
- addr = find_e820_area(last_area_end, end_pfn<<PAGE_SHIFT, mem);
- if (addr == -1UL)
- return 0;
- if (pages != oldpages)
- printk(KERN_NOTICE "SRAT: Hotadd area limited to %lu bytes\n",
- pages << PAGE_SHIFT);
- last_area_end = addr + mem;
- allocated += mem;
- return 1;
-}
-
-static int update_end_of_memory(unsigned long end)
-{
- found_add_area = 1;
- if ((end >> PAGE_SHIFT) > end_pfn)
- end_pfn = end >> PAGE_SHIFT;
- return 1;
-}
-
-static inline int save_add_info(void)
-{
- return hotadd_percent > 0;
-}
-#else
int update_end_of_memory(unsigned long end) {return -1;}
static int hotadd_enough_memory(struct bootnode *nd) {return 1;}
#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
@@ -214,7 +158,6 @@ static inline int save_add_info(void) {return 1;}
#else
static inline int save_add_info(void) {return 0;}
#endif
-#endif
/*
* Update nodes_add and decide if to include add are in the zone.
* Both SPARSE and RESERVE need nodes_add infomation.