path: root/ipc
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authorSeongJae Park <>2020-06-07 21:40:04 -0700
committerLinus Torvalds <>2020-06-08 11:05:55 -0700
commit92fb1db26eefc11554820f11ce8e92007da2fbf4 (patch)
tree5de7e60db1dad71f124f9ec55d421022bed61122 /ipc
parent9aa900c8094dba7a60dc805ecec1e9f720744ba1 (diff)
mm/page_idle.c: skip offline pages
'Idle page tracking' users can pass random pfn that might be mapped to an offline page. To avoid accessing such pages, this commit modifies the 'page_idle_get_page()' to use 'pfn_to_online_page()' instead of 'pfn_valid()' and 'pfn_to_page()' combination, so that the pfn mapped to an offline page can be skipped. Reported-by: David Hildenbrand <> Signed-off-by: SeongJae Park <> Signed-off-by: Andrew Morton <> Reviewed-by: David Hildenbrand <> Reviewed-by: Pankaj Gupta <> Link: Signed-off-by: Linus Torvalds <>
Diffstat (limited to 'ipc')
0 files changed, 0 insertions, 0 deletions