diff options
| -rw-r--r-- | mm/page_alloc.c | 3 | ||||
| -rw-r--r-- | mm/page_isolation.c | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 34f688bc5c7a..19fe7e9c39a6 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7176,7 +7176,8 @@ void zone_pcp_reset(struct zone *zone) #ifdef CONFIG_MEMORY_HOTREMOVE /* - * All pages in the range must be isolated before calling this. + * All pages in the range must be in a single zone and isolated + * before calling this. */ void __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn) diff --git a/mm/page_isolation.c b/mm/page_isolation.c index 67bedd18429c..612122bf6a42 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -246,6 +246,7 @@ __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn, return pfn; } +/* Caller should ensure that requested range is in a single zone */ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, bool skip_hwpoisoned_pages) { |