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-rw-r--r--arch/x86/mm/init_64.c28
-rw-r--r--include/linux/mm.h1
-rw-r--r--mm/sparse.c5
3 files changed, 32 insertions, 2 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 7dc4fbc2d6b..5fbb8652cf5 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -932,6 +932,10 @@ const char *arch_vma_name(struct vm_area_struct *vma)
/*
* Initialise the sparsemem vmemmap using huge-pages at the PMD level.
*/
+static long __meminitdata addr_start, addr_end;
+static void __meminitdata *p_start, *p_end;
+static int __meminitdata node_start;
+
int __meminit
vmemmap_populate(struct page *start_page, unsigned long size, int node)
{
@@ -966,12 +970,32 @@ vmemmap_populate(struct page *start_page, unsigned long size, int node)
PAGE_KERNEL_LARGE);
set_pmd(pmd, __pmd(pte_val(entry)));
- printk(KERN_DEBUG " [%lx-%lx] PMD ->%p on node %d\n",
- addr, addr + PMD_SIZE - 1, p, node);
+ /* check to see if we have contiguous blocks */
+ if (p_end != p || node_start != node) {
+ if (p_start)
+ printk(KERN_DEBUG " [%lx-%lx] PMD -> [%p-%p] on node %d\n",
+ addr_start, addr_end-1, p_start, p_end-1, node_start);
+ addr_start = addr;
+ node_start = node;
+ p_start = p;
+ }
+ addr_end = addr + PMD_SIZE;
+ p_end = p + PMD_SIZE;
} else {
vmemmap_verify((pte_t *)pmd, node, addr, next);
}
}
return 0;
}
+
+void __meminit vmemmap_populate_print_last(void)
+{
+ if (p_start) {
+ printk(KERN_DEBUG " [%lx-%lx] PMD -> [%p-%p] on node %d\n",
+ addr_start, addr_end-1, p_start, p_end-1, node_start);
+ p_start = NULL;
+ p_end = NULL;
+ node_start = 0;
+ }
+}
#endif
diff --git a/include/linux/mm.h b/include/linux/mm.h
index b695875d63e..286d3152160 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1229,6 +1229,7 @@ void vmemmap_verify(pte_t *, int, unsigned long, unsigned long);
int vmemmap_populate_basepages(struct page *start_page,
unsigned long pages, int node);
int vmemmap_populate(struct page *start_page, unsigned long pages, int node);
+void vmemmap_populate_print_last(void);
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */
diff --git a/mm/sparse.c b/mm/sparse.c
index 458109b99e6..7e9191381f8 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -295,6 +295,9 @@ struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
return NULL;
}
+void __attribute__((weak)) __meminit vmemmap_populate_print_last(void)
+{
+}
/*
* Allocate the accumulated non-linear sections, allocate a mem_map
* for each and record the physical to section mapping.
@@ -345,6 +348,8 @@ void __init sparse_init(void)
usemap);
}
+ vmemmap_populate_print_last();
+
free_bootmem(__pa(usemap_map), size);
}