[folded-merged] mm-avoid-zeroing-user-movable-page-twice-with-init_on_alloc=1-fix.patch removed from -mm tree

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The quilt patch titled
     Subject: mm-avoid-zeroing-user-movable-page-twice-with-init_on_alloc=1-fix
has been removed from the -mm tree.  Its filename was
     mm-avoid-zeroing-user-movable-page-twice-with-init_on_alloc=1-fix.patch

This patch was dropped because it was folded into mm-avoid-zeroing-user-movable-page-twice-with-init_on_alloc=1.patch

------------------------------------------------------
From: Zi Yan <ziy@xxxxxxxxxx>
Subject: mm-avoid-zeroing-user-movable-page-twice-with-init_on_alloc=1-fix
Date: Tue, 22 Oct 2024 10:33:40 -0400

comment fixes, per David

Link: https://lkml.kernel.org/r/97DB52E1-C594-49B5-9736-89AC302FAB01@xxxxxxxxxx
Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: "Huang, Ying" <ying.huang@xxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Ryan Roberts <ryan.roberts@xxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/huge_memory.c |    5 +++++
 mm/memory.c      |    7 +++++++
 2 files changed, 12 insertions(+)

--- a/mm/huge_memory.c~mm-avoid-zeroing-user-movable-page-twice-with-init_on_alloc=1-fix
+++ a/mm/huge_memory.c
@@ -1165,6 +1165,11 @@ static struct folio *vma_alloc_anon_foli
 	}
 	folio_throttle_swaprate(folio, gfp);
 
+       /*
+	* When a folio is not zeroed during allocation (__GFP_ZERO not used),
+	* folio_zero_user() is used to make sure that the page corresponding
+	* to the faulting address will be hot in the cache after zeroing.
+	*/
 	if (!alloc_zeroed())
 		folio_zero_user(folio, addr);
 	/*
--- a/mm/memory.c~mm-avoid-zeroing-user-movable-page-twice-with-init_on_alloc=1-fix
+++ a/mm/memory.c
@@ -4726,6 +4726,13 @@ static struct folio *alloc_anon_folio(st
 				goto next;
 			}
 			folio_throttle_swaprate(folio, gfp);
+			/*
+			 * When a folio is not zeroed during allocation
+			 * (__GFP_ZERO not used), folio_zero_user() is used
+			 * to make sure that the page corresponding to the
+			 * faulting address will be hot in the cache after
+			 * zeroing.
+			 */
 			if (!alloc_zeroed())
 				folio_zero_user(folio, vmf->address);
 			return folio;
_

Patches currently in -mm which might be from ziy@xxxxxxxxxx are

mm-avoid-zeroing-user-movable-page-twice-with-init_on_alloc=1.patch





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