diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 303d385..c13b6b2 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -59,6 +59,7 @@ #include <linux/page_ext.h> #include <linux/hugetlb.h> #include <linux/sched/rt.h> +#include <linux/page_owner.h> #include <asm/sections.h> #include <asm/tlbflush.h> @@ -813,6 +814,8 @@ static bool free_pages_prepare(struct page *page, unsigned int order) if (bad) return false; + reset_page_owner(page, order); + if (!PageHighMem(page)) { debug_check_no_locks_freed(page_address(page), PAGE_SIZE << order); @@ -988,6 +991,8 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags) if (order && (gfp_flags & __GFP_COMP)) prep_compound_page(page, order); + set_page_owner(page, order, gfp_flags); + return 0; } @@ -1560,8 +1565,11 @@ void split_page(struct page *page, unsigned int order) split_page(virt_to_page(page[0].shadow), order); #endif - for (i = 1; i < (1 << order); i++) + set_page_owner(page, 0, 0); + for (i = 1; i < (1 << order); i++) { set_page_refcounted(page + i); + set_page_owner(page + i, 0, 0); + } } EXPORT_SYMBOL_GPL(split_page); @@ -1601,6 +1609,7 @@ int __isolate_free_page(struct page *page, unsigned int order) } } + set_page_owner(page, order, 0); return 1UL << order; } |
