[merged mm-stable] mm-use-flush_icache_pages-in-do_set_pmd.patch removed from -mm tree

[merged mm-stable] mm-use-flush_icache_pages-in-do_set_pmd.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm: use flush_icache_pages() in do_set_pmd()
has been removed from the -mm tree.  Its filename was
     mm-use-flush_icache_pages-in-do_set_pmd.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: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: mm: use flush_icache_pages() in do_set_pmd()
Date: Wed, 2 Aug 2023 16:14:01 +0100

Push the iteration over each page down to the architectures (many can
flush the entire THP without iteration).

Link: https://lkml.kernel.org/r/20230802151406.3735276-34-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/mm/memory.c~mm-use-flush_icache_pages-in-do_set_pmd
+++ a/mm/memory.c
@@ -4265,7 +4265,6 @@ vm_fault_t do_set_pmd(struct vm_fault *v
 	bool write = vmf->flags & FAULT_FLAG_WRITE;
 	unsigned long haddr = vmf->address & HPAGE_PMD_MASK;
 	pmd_t entry;
-	int i;
 	vm_fault_t ret = VM_FAULT_FALLBACK;
 
 	if (!transhuge_vma_suitable(vma, haddr))
@@ -4298,8 +4297,7 @@ vm_fault_t do_set_pmd(struct vm_fault *v
 	if (unlikely(!pmd_none(*vmf->pmd)))
 		goto out;
 
-	for (i = 0; i < HPAGE_PMD_NR; i++)
-		flush_icache_page(vma, page + i);
+	flush_icache_pages(vma, page, HPAGE_PMD_NR);
 
 	entry = mk_huge_pmd(page, vma->vm_page_prot);
 	if (write)
_

Patches currently in -mm which might be from willy@infradead.org are