diff options
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 4821338..b0dc654 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -602,27 +602,14 @@ static struct page *next_active_pageblock(struct page *page) /* Checks if this range of memory is likely to be hot-removable. */ int is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages) { - int type; struct page *page = pfn_to_page(start_pfn); struct page *end_page = page + nr_pages; /* Check the starting page of each pageblock within the range */ for (; page < end_page; page = next_active_pageblock(page)) { - type = get_pageblock_migratetype(page); - - /* - * A pageblock containing MOVABLE or free pages is considered - * removable - */ - if (type != MIGRATE_MOVABLE && !pageblock_free(page)) - return 0; - - /* - * A pageblock starting with a PageReserved page is not - * considered removable. - */ - if (PageReserved(page)) + if (!is_pageblock_removable_nolock(page)) return 0; + cond_resched(); } /* All pageblocks in the memory block are likely to be hot-removable */ |
