Commit 202662df authored by Kefeng Wang's avatar Kefeng Wang Committed by Peng Zhang
Browse files

sched/fair: use folio_xchg_access_time() in numa_hint_fault_latency() 

mainline inclusion
from mainline-v6.7-rc1
commit 0b201c3624ae9f58ebfff8484f304f3008fb01b8
category: other
bugzilla: https://gitee.com/openeuler/kernel/issues/I8JQWQ

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b201c3624ae9f58ebfff8484f304f3008fb01b8

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

Convert to use folio_xchg_access_time() in numa_hint_fault_latency().

Link: https://lkml.kernel.org/r/20231018140806.2783514-9-wangkefeng.wang@huawei.com


Signed-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarZhangPeng <zhangpeng362@huawei.com>
parent 724e2498

kernel/sched/fair.c

+1 −1
Original line number Diff line number Diff line
@@ -1779,7 +1779,7 @@ static int numa_hint_fault_latency(struct folio *folio) 
	int last_time, time;



	time = jiffies_to_msecs(jiffies);

	last_time = xchg_page_access_time(&folio->page, time);

	last_time = folio_xchg_access_time(folio, time);



	return (time - last_time) & PAGE_ACCESS_TIME_MASK;

}