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-rw-r--r--include/linux/memblock.h1
-rw-r--r--mm/memblock.c18
2 files changed, 18 insertions, 1 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index f388203db7e8..dfefaf111c0e 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -42,6 +42,7 @@ struct memblock {
extern struct memblock memblock;
extern int memblock_debug;
+extern struct movablemem_map movablemem_map;
#define memblock_dbg(fmt, ...) \
if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
diff --git a/mm/memblock.c b/mm/memblock.c
index b8d9147e5c08..c83ff97f57f4 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -101,6 +101,7 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t start,
{
phys_addr_t this_start, this_end, cand;
u64 i;
+ int curr = movablemem_map.nr_map - 1;
/* pump up @end */
if (end == MEMBLOCK_ALLOC_ACCESSIBLE)
@@ -114,13 +115,28 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t start,
this_start = clamp(this_start, start, end);
this_end = clamp(this_end, start, end);
- if (this_end < size)
+restart:
+ if (this_end <= this_start || this_end < size)
continue;
+ for (; curr >= 0; curr--) {
+ if ((movablemem_map.map[curr].start_pfn << PAGE_SHIFT)
+ < this_end)
+ break;
+ }
+
cand = round_down(this_end - size, align);
+ if (curr >= 0 &&
+ cand < movablemem_map.map[curr].end_pfn << PAGE_SHIFT) {
+ this_end = movablemem_map.map[curr].start_pfn
+ << PAGE_SHIFT;
+ goto restart;
+ }
+
if (cand >= this_start)
return cand;
}
+
return 0;
}