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@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxxxxx are
