diff options
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 2047465cd27..030ce8a5bb0 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -27,6 +27,7 @@ #include <linux/page-isolation.h> #include <linux/pfn.h> #include <linux/suspend.h> +#include <linux/mm_inline.h> #include <asm/tlbflush.h> @@ -71,7 +72,9 @@ static void get_page_bootmem(unsigned long info, struct page *page, int type) atomic_inc(&page->_count); } -void put_page_bootmem(struct page *page) +/* reference to __meminit __free_pages_bootmem is valid + * so use __ref to tell modpost not to generate a warning */ +void __ref put_page_bootmem(struct page *page) { int type; @@ -672,6 +675,9 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) if (!ret) { /* Success */ list_add_tail(&page->lru, &source); move_pages--; + inc_zone_page_state(page, NR_ISOLATED_ANON + + page_is_file_cache(page)); + } else { /* Becasue we don't have big zone->lock. we should check this again here. */ @@ -694,7 +700,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) if (list_empty(&source)) goto out; /* this function returns # of failed pages */ - ret = migrate_pages(&source, hotremove_migrate_alloc, 0); + ret = migrate_pages(&source, hotremove_migrate_alloc, 0, 1); out: return ret; @@ -747,7 +753,7 @@ check_pages_isolated(unsigned long start_pfn, unsigned long end_pfn) return offlined; } -int offline_pages(unsigned long start_pfn, +static int offline_pages(unsigned long start_pfn, unsigned long end_pfn, unsigned long timeout) { unsigned long pfn, nr_pages, expire; @@ -849,6 +855,10 @@ repeat: setup_per_zone_wmarks(); calculate_zone_inactive_ratio(zone); + if (!node_present_pages(node)) { + node_clear_state(node, N_HIGH_MEMORY); + kswapd_stop(node); + } vm_total_pages = nr_free_pagecache_pages(); writeback_set_ratelimit(); |