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-rw-r--r--arch/powerpc/include/asm/hugetlb.h1
-rw-r--r--arch/powerpc/kernel/crash_dump.c5
-rw-r--r--arch/powerpc/kernel/fadump.c5
-rw-r--r--arch/powerpc/kernel/kvm.c7
-rw-r--r--arch/powerpc/mm/init_64.c11
-rw-r--r--arch/powerpc/mm/mem.c35
-rw-r--r--arch/powerpc/mm/numa.c9
-rw-r--r--arch/powerpc/platforms/512x/mpc512x_shared.c5
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c12
9 files changed, 26 insertions, 64 deletions
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 62e11a32c4c..4fcbd6b14a3 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -3,6 +3,7 @@
#ifdef CONFIG_HUGETLB_PAGE
#include <asm/page.h>
+#include <asm-generic/hugetlb.h>
extern struct kmem_cache *hugepte_cache;
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index b3ba5163eae..9ec3fe174cb 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -150,10 +150,7 @@ void crash_free_reserved_phys_range(unsigned long begin, unsigned long end)
if (addr <= rtas_end && ((addr + PAGE_SIZE) > rtas_start))
continue;
- ClearPageReserved(pfn_to_page(addr >> PAGE_SHIFT));
- init_page_count(pfn_to_page(addr >> PAGE_SHIFT));
- free_page((unsigned long)__va(addr));
- totalram_pages++;
+ free_reserved_page(pfn_to_page(addr >> PAGE_SHIFT));
}
}
#endif
diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index 06c8202a69c..2230fd0ca3e 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -1045,10 +1045,7 @@ static void fadump_release_memory(unsigned long begin, unsigned long end)
if (addr <= ra_end && ((addr + PAGE_SIZE) > ra_start))
continue;
- ClearPageReserved(pfn_to_page(addr >> PAGE_SHIFT));
- init_page_count(pfn_to_page(addr >> PAGE_SHIFT));
- free_page((unsigned long)__va(addr));
- totalram_pages++;
+ free_reserved_page(pfn_to_page(addr >> PAGE_SHIFT));
}
}
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index a61b133c4f9..6782221d49b 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -756,12 +756,7 @@ static __init void kvm_free_tmp(void)
end = (ulong)&kvm_tmp[ARRAY_SIZE(kvm_tmp)] & PAGE_MASK;
/* Free the tmp space we don't need */
- for (; start < end; start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(start));
- init_page_count(virt_to_page(start));
- free_page(start);
- totalram_pages++;
- }
+ free_reserved_area(start, end, 0, NULL);
}
static int __init kvm_guest_init(void)
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 7e2246fb2f3..5a535b73ea1 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -263,19 +263,14 @@ static __meminit void vmemmap_list_populate(unsigned long phys,
vmemmap_list = vmem_back;
}
-int __meminit vmemmap_populate(struct page *start_page,
- unsigned long nr_pages, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
{
- unsigned long start = (unsigned long)start_page;
- unsigned long end = (unsigned long)(start_page + nr_pages);
unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
/* Align to the page size of the linear mapping. */
start = _ALIGN_DOWN(start, page_size);
- pr_debug("vmemmap_populate page %p, %ld pages, node %d\n",
- start_page, nr_pages, node);
- pr_debug(" -> map %lx..%lx\n", start, end);
+ pr_debug("vmemmap_populate %lx..%lx, node %d\n", start, end, node);
for (; start < end; start += page_size) {
void *p;
@@ -298,7 +293,7 @@ int __meminit vmemmap_populate(struct page *start_page,
return 0;
}
-void vmemmap_free(struct page *memmap, unsigned long nr_pages)
+void vmemmap_free(unsigned long start, unsigned long end)
{
}
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index f1f7409a418..cd76c454942 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -352,13 +352,9 @@ void __init mem_init(void)
struct page *page = pfn_to_page(pfn);
if (memblock_is_reserved(paddr))
continue;
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- totalhigh_pages++;
+ free_highmem_page(page);
reservedpages--;
}
- totalram_pages += totalhigh_pages;
printk(KERN_DEBUG "High memory: %luk\n",
totalhigh_pages << (PAGE_SHIFT-10));
}
@@ -405,39 +401,14 @@ void __init mem_init(void)
void free_initmem(void)
{
- unsigned long addr;
-
ppc_md.progress = ppc_printk_progress;
-
- addr = (unsigned long)__init_begin;
- for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) {
- memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
- ClearPageReserved(virt_to_page(addr));
- init_page_count(virt_to_page(addr));
- free_page(addr);
- totalram_pages++;
- }
- pr_info("Freeing unused kernel memory: %luk freed\n",
- ((unsigned long)__init_end -
- (unsigned long)__init_begin) >> 10);
+ free_initmem_default(POISON_FREE_INITMEM);
}
#ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end)
{
- if (start >= end)
- return;
-
- start = _ALIGN_DOWN(start, PAGE_SIZE);
- end = _ALIGN_UP(end, PAGE_SIZE);
- pr_info("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
-
- for (; start < end; start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(start));
- init_page_count(virt_to_page(start));
- free_page(start);
- totalram_pages++;
- }
+ free_reserved_area(start, end, 0, "initrd");
}
#endif
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index bba87ca2b4d..b8020dc7b71 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -62,14 +62,11 @@ static int distance_lookup_table[MAX_NUMNODES][MAX_DISTANCE_REF_POINTS];
*/
static void __init setup_node_to_cpumask_map(void)
{
- unsigned int node, num = 0;
+ unsigned int node;
/* setup nr_node_ids if not done yet */
- if (nr_node_ids == MAX_NUMNODES) {
- for_each_node_mask(node, node_possible_map)
- num = node;
- nr_node_ids = num + 1;
- }
+ if (nr_node_ids == MAX_NUMNODES)
+ setup_nr_node_ids();
/* allocate the map */
for (node = 0; node < nr_node_ids; node++)
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index d30235b7e3f..db6ac389ef8 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -172,12 +172,9 @@ static struct fsl_diu_shared_fb __attribute__ ((__aligned__(8))) diu_shared_fb;
static inline void mpc512x_free_bootmem(struct page *page)
{
- __ClearPageReserved(page);
BUG_ON(PageTail(page));
BUG_ON(atomic_read(&page->_count) > 1);
- atomic_set(&page->_count, 1);
- __free_page(page);
- totalram_pages++;
+ free_reserved_page(page);
}
void mpc512x_release_bootmem(void)
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 2372c609fa2..9a432de363b 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -72,6 +72,7 @@ unsigned long memory_block_size_bytes(void)
return get_memblock_size();
}
+#ifdef CONFIG_MEMORY_HOTREMOVE
static int pseries_remove_memblock(unsigned long base, unsigned int memblock_size)
{
unsigned long start, start_pfn;
@@ -153,6 +154,17 @@ static int pseries_remove_memory(struct device_node *np)
ret = pseries_remove_memblock(base, lmb_size);
return ret;
}
+#else
+static inline int pseries_remove_memblock(unsigned long base,
+ unsigned int memblock_size)
+{
+ return -EOPNOTSUPP;
+}
+static inline int pseries_remove_memory(struct device_node *np)
+{
+ return -EOPNOTSUPP;
+}
+#endif /* CONFIG_MEMORY_HOTREMOVE */
static int pseries_add_memory(struct device_node *np)
{