diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-03-16 09:50:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-16 09:50:50 +0100 |
| commit | 2b95bd7d58d368fe5dcbe6f4e494847ea082d89d (patch) | |
| tree | 48c38d792f31f2fe10b26b03bdf1b10a82ca03a4 /mm/page_alloc.c | |
| parent | ffa86c2f1a8862cf58c873f6f14d4b2c3250fb48 (diff) | |
| parent | 69eea5a4ab9c705496e912b55a9d312325de19e6 (diff) | |
| download | linux-2b95bd7d58d368fe5dcbe6f4e494847ea082d89d.tar.gz linux-2b95bd7d58d368fe5dcbe6f4e494847ea082d89d.tar.xz | |
Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index eaa64d2ffdc5..6cbde310abed 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -873,7 +873,8 @@ done_merging: higher_page = page + (combined_pfn - pfn); buddy_pfn = __find_buddy_pfn(combined_pfn, order + 1); higher_buddy = higher_page + (buddy_pfn - combined_pfn); - if (page_is_buddy(higher_page, higher_buddy, order + 1)) { + if (pfn_valid_within(buddy_pfn) && + page_is_buddy(higher_page, higher_buddy, order + 1)) { list_add_tail(&page->lru, &zone->free_area[order].free_list[migratetype]); goto out; |