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mm/debug_vm_pgtable: update comments regarding migration swap entries

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Commit 4dd845b5a3 ("mm/swapops: rework swap entry manipulation code")
had changed migtation entry related helpers.  Just update
debug_vm_pgatble() synced documentation to reflect those changes.

Link: https://lkml.kernel.org/r/1641880417-24848-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Anshuman Khandual
2022-01-14 14:05:07 -08:00
committed by Linus Torvalds
parent 3e9d80a891
commit 236476180c
2 changed files with 9 additions and 9 deletions
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4
mm/debug_vm_pgtable.c
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@@ -888,8 +888,8 @@ static void __init swap_migration_tests(struct pgtable_debug_args *args)
pr_debug("Validating swap migration\n");
/*
* make_migration_entry() expects given page to be
* locked, otherwise it stumbles upon a BUG_ON().
* make_[readable|writable]_migration_entry() expects given page to
* be locked, otherwise it stumbles upon a BUG_ON().
*/
__SetPageLocked(page);
swp = make_writable_migration_entry(page_to_pfn(page));