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-rw-r--r--mm/dmapool.c2
-rw-r--r--mm/memblock.c4
-rw-r--r--mm/memory.c2
-rw-r--r--mm/mmap.c16
-rw-r--r--mm/nobootmem.c2
5 files changed, 17 insertions, 9 deletions
diff --git a/mm/dmapool.c b/mm/dmapool.c
index 306baa594f95..ba8019b063e1 100644
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -176,7 +176,7 @@ struct dma_pool *dma_pool_create(const char *name, struct device *dev,
if (list_empty(&dev->dma_pools) &&
device_create_file(dev, &dev_attr_pools)) {
kfree(retval);
- return NULL;
+ retval = NULL;
} else
list_add(&retval->pools, &dev->dma_pools);
mutex_unlock(&pools_lock);
diff --git a/mm/memblock.c b/mm/memblock.c
index 70fad0c0dafb..6ecb0d937fb5 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -816,6 +816,10 @@ void __init_memblock __next_mem_range(u64 *idx, int nid,
if (nid != NUMA_NO_NODE && nid != m_nid)
continue;
+ /* skip hotpluggable memory regions if needed */
+ if (movable_node_is_enabled() && memblock_is_hotpluggable(m))
+ continue;
+
if (!type_b) {
if (out_start)
*out_start = m_start;
diff --git a/mm/memory.c b/mm/memory.c
index adeac306610f..d17f1bcd2a91 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -118,6 +118,8 @@ __setup("norandmaps", disable_randmaps);
unsigned long zero_pfn __read_mostly;
unsigned long highest_memmap_pfn __read_mostly;
+EXPORT_SYMBOL(zero_pfn);
+
/*
* CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()
*/
diff --git a/mm/mmap.c b/mm/mmap.c
index c1f2ea4a0b99..c0a3637cdb64 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -369,20 +369,20 @@ static int browse_rb(struct rb_root *root)
struct vm_area_struct *vma;
vma = rb_entry(nd, struct vm_area_struct, vm_rb);
if (vma->vm_start < prev) {
- pr_info("vm_start %lx prev %lx\n", vma->vm_start, prev);
+ pr_emerg("vm_start %lx prev %lx\n", vma->vm_start, prev);
bug = 1;
}
if (vma->vm_start < pend) {
- pr_info("vm_start %lx pend %lx\n", vma->vm_start, pend);
+ pr_emerg("vm_start %lx pend %lx\n", vma->vm_start, pend);
bug = 1;
}
if (vma->vm_start > vma->vm_end) {
- pr_info("vm_end %lx < vm_start %lx\n",
+ pr_emerg("vm_end %lx < vm_start %lx\n",
vma->vm_end, vma->vm_start);
bug = 1;
}
if (vma->rb_subtree_gap != vma_compute_subtree_gap(vma)) {
- pr_info("free gap %lx, correct %lx\n",
+ pr_emerg("free gap %lx, correct %lx\n",
vma->rb_subtree_gap,
vma_compute_subtree_gap(vma));
bug = 1;
@@ -396,7 +396,7 @@ static int browse_rb(struct rb_root *root)
for (nd = pn; nd; nd = rb_prev(nd))
j++;
if (i != j) {
- pr_info("backwards %d, forwards %d\n", j, i);
+ pr_emerg("backwards %d, forwards %d\n", j, i);
bug = 1;
}
return bug ? -1 : i;
@@ -431,17 +431,17 @@ static void validate_mm(struct mm_struct *mm)
i++;
}
if (i != mm->map_count) {
- pr_info("map_count %d vm_next %d\n", mm->map_count, i);
+ pr_emerg("map_count %d vm_next %d\n", mm->map_count, i);
bug = 1;
}
if (highest_address != mm->highest_vm_end) {
- pr_info("mm->highest_vm_end %lx, found %lx\n",
+ pr_emerg("mm->highest_vm_end %lx, found %lx\n",
mm->highest_vm_end, highest_address);
bug = 1;
}
i = browse_rb(&mm->mm_rb);
if (i != mm->map_count) {
- pr_info("map_count %d rb %d\n", mm->map_count, i);
+ pr_emerg("map_count %d rb %d\n", mm->map_count, i);
bug = 1;
}
BUG_ON(bug);
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 7ed58602e71b..7c7ab32ee503 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -119,6 +119,8 @@ static unsigned long __init free_low_memory_core_early(void)
phys_addr_t start, end;
u64 i;
+ memblock_clear_hotplug(0, -1);
+
for_each_free_mem_range(i, NUMA_NO_NODE, &start, &end, NULL)
count += __free_memory_core(start, end);