Commit c7295dc9 authored by Ma Wupeng's avatar Ma Wupeng Committed by Wupeng Ma
Browse files

mm: page_eject: Return right value during removal 

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8K5CO



--------------------------------

Invalid value will be returned if there is no suitable pfn during
search, fix it.

Fixes: ecbd5d7c ("mm: page_eject: Introuduce page ejection")
Signed-off-by: default avatarMa Wupeng <mawupeng1@huawei.com>
parent fbc8debb

drivers/ras/page_eject.c

+3 −2
Original line number Diff line number Diff line
@@ -20,18 +20,19 @@ struct ejected_pfn { 


static struct ejected_pfn *page_eject_remove_pfn_locked(unsigned long pfn)

{

	struct ejected_pfn *item = NULL, *next;

	struct ejected_pfn *item, *next, *ret = NULL;



	mutex_lock(&eject_page_mutex);

	list_for_each_entry_safe(item, next, &eject_page_list, list) {

		if (pfn == item->pfn) {

			list_del(&item->list);

			ret = item;

			break;

		}

	}

	mutex_unlock(&eject_page_mutex);



	return item;

	return ret;

}



static void page_eject_add_pfn_locked(struct ejected_pfn *item)