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authorSidhartha Kumar <sidhartha.kumar@oracle.com>2023-01-12 14:46:02 -0600
committerAndrew Morton <akpm@linux-foundation.org>2023-02-02 22:33:02 -0800
commitbc1cfde194675215857755b75e5fe90f6a654843 (patch)
treeba145ead91e4ebeb0692035ff4486beaab81639d /mm/memory-failure.c
parent4c110ec98e39944732ec31bf0415f22632bae2b7 (diff)
mm/memory-failure: convert try_memory_failure_hugetlb() to folios
Use a struct folio rather than a head page in try_memory_failure_hugetlb. This converts one user of SetHPageMigratable to the folio equivalent. Link: https://lkml.kernel.org/r/20230112204608.80136-3-sidhartha.kumar@oracle.com Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Miaohe Lin <linmiaohe@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
-rw-r--r--mm/memory-failure.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index cca28f19ad99..19f6035608d5 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1860,7 +1860,7 @@ static int try_memory_failure_hugetlb(unsigned long pfn, int flags, int *hugetlb
{
int res;
struct page *p = pfn_to_page(pfn);
- struct page *head;
+ struct folio *folio;
unsigned long page_flags;
bool migratable_cleared = false;
@@ -1873,8 +1873,8 @@ retry:
} else if (res == -EHWPOISON) {
pr_err("%#lx: already hardware poisoned\n", pfn);
if (flags & MF_ACTION_REQUIRED) {
- head = compound_head(p);
- res = kill_accessing_process(current, page_to_pfn(head), flags);
+ folio = page_folio(p);
+ res = kill_accessing_process(current, folio_pfn(folio), flags);
}
return res;
} else if (res == -EBUSY) {
@@ -1885,16 +1885,16 @@ retry:
return action_result(pfn, MF_MSG_UNKNOWN, MF_IGNORED);
}
- head = compound_head(p);
- lock_page(head);
+ folio = page_folio(p);
+ folio_lock(folio);
if (hwpoison_filter(p)) {
- hugetlb_clear_page_hwpoison(head);
+ hugetlb_clear_page_hwpoison(&folio->page);
if (migratable_cleared)
- SetHPageMigratable(head);
- unlock_page(head);
+ folio_set_hugetlb_migratable(folio);
+ folio_unlock(folio);
if (res == 1)
- put_page(head);
+ folio_put(folio);
return -EOPNOTSUPP;
}
@@ -1903,7 +1903,7 @@ retry:
* or demotion can be prevented by PageHWPoison flag.
*/
if (res == 0) {
- unlock_page(head);
+ folio_unlock(folio);
if (__page_handle_poison(p) >= 0) {
page_ref_inc(p);
res = MF_RECOVERED;
@@ -1913,10 +1913,10 @@ retry:
return action_result(pfn, MF_MSG_FREE_HUGE, res);
}
- page_flags = head->flags;
+ page_flags = folio->flags;
- if (!hwpoison_user_mappings(p, pfn, flags, head)) {
- unlock_page(head);
+ if (!hwpoison_user_mappings(p, pfn, flags, &folio->page)) {
+ folio_unlock(folio);
return action_result(pfn, MF_MSG_UNMAP_FAILED, MF_IGNORED);
}