Merge "mm/page_io.c: do not free shared swap slots" (1c001ef2) · Commits · e / devices / android_kernel_xiaomi_nabu

mm/page_io.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -77,6 +77,7 @@ static void swap_slot_free_notify(struct page *page)
		{
		struct swap_info_struct *sis;
		struct gendisk *disk;
		swp_entry_t entry;

		/*
		* There is no guarantee that the page is in swap cache - the software
		@@ -108,11 +109,11 @@ static void swap_slot_free_notify(struct page *page)
		* we again wish to reclaim it.
		*/
		disk = sis->bdev->bd_disk;
		if (disk->fops->swap_slot_free_notify) {
		swp_entry_t entry;
		entry.val = page_private(page);
		if (disk->fops->swap_slot_free_notify &&
		__swap_count(sis, entry) == 1) {
		unsigned long offset;

		entry.val = page_private(page);
		offset = swp_offset(entry);

		SetPageDirty(page);