mm: Use flush_icache_pages() in do_set_pmd()

Push the iteration over each page down to the architectures (many can flush the entire THP without iteration). Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
xen0n · Mar 7, 2023 · 68e994b · 68e994b
1 parent 4a47638
commit 68e994b
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/mm/memory.c b/mm/memory.c
@@ -4231,8 +4231,7 @@ vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
 	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)