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ANDROID: mm: page_pinner: reset migration failed page

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Currently, __reset_page_pinner reset only PAGE_EXT_GET page freeing,
not PAGE_EXT_PINNER_MIGRATION_FAILED page. It should handle both
cases to prevent wrong PAGE_EXT_PINNER_MIGRATION_FAILED setting.

Bug: 192475091
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: I9b4124393ee432c7cb29cd12d160ecf2a1e34360
This commit is contained in:
Minchan Kim 2021-07-08 11:12:59 -07:00
parent 470cce5085
commit d012783a86
1 changed files with 3 additions and 1 deletions
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4
mm/page_pinner.c
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@ -151,7 +151,9 @@ void __reset_page_pinner(struct page *page, unsigned int order, bool free)
return; return;
for (i = 0; i < (1 << order); i++) { for (i = 0; i < (1 << order); i++) {
if (!test_bit(PAGE_EXT_GET, &page_ext->flags)) if (!test_bit(PAGE_EXT_GET, &page_ext->flags) &&
!test_bit(PAGE_EXT_PINNER_MIGRATION_FAILED,
&page_ext->flags))
continue; continue;
page_pinner = get_page_pinner(page_ext); page_pinner = get_page_pinner(page_ext);