* [merged mm-stable] mm-hugetlb-add-missing-vm_fault_set_hindex-in-hugetlb_wp.patch removed from -mm tree
@ 2024-05-11 22:42 Andrew Morton
0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2024-05-11 22:42 UTC (permalink / raw)
To: mm-commits, peterx, muchun.song, liushixin2, axelrasmussen,
osalvador, akpm
The quilt patch titled
Subject: mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_wp
has been removed from the -mm tree. Its filename was
mm-hugetlb-add-missing-vm_fault_set_hindex-in-hugetlb_wp.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Oscar Salvador <osalvador@suse.de>
Subject: mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_wp
Date: Thu, 9 May 2024 12:01:48 +0200
commit 1cb9dc4b475c ("mm: hwpoison: support recovery from HugePage
copy-on-write faults") added support to use the mc variants when coping
hugetlb pages on CoW faults.
Add the missing VM_FAULT_SET_HINDEX, so the right si_addr_lsb will be
passed to userspace to report the extension of the faulty area.
Link: https://lkml.kernel.org/r/20240509100148.22384-3-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Peter Xu <peterx@redhat.com>
Acked-by: Axel Rasmussen <axelrasmussen@google.com>
Cc: Liu Shixin <liushixin2@huawei.com>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/hugetlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/hugetlb.c~mm-hugetlb-add-missing-vm_fault_set_hindex-in-hugetlb_wp
+++ a/mm/hugetlb.c
@@ -6067,7 +6067,7 @@ retry_avoidcopy:
goto out_release_all;
if (copy_user_large_folio(new_folio, old_folio, vmf->real_address, vma)) {
- ret = VM_FAULT_HWPOISON_LARGE;
+ ret = VM_FAULT_HWPOISON_LARGE | VM_FAULT_SET_HINDEX(hstate_index(h));
goto out_release_all;
}
__folio_mark_uptodate(new_folio);
_
Patches currently in -mm which might be from osalvador@suse.de are
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2024-05-11 22:42 [merged mm-stable] mm-hugetlb-add-missing-vm_fault_set_hindex-in-hugetlb_wp.patch removed from -mm tree Andrew Morton
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