Date: Fri, 12 Jul 2024 15:55:17 -0700
To: mm-commits@vger.kernel.org,vbabka@suse.cz,souravpanda@google.com,pasha.tatashin@soleen.com,kent.overstreet@linux.dev,keescook@chromium.org,surenb@google.com,akpm@linux-foundation.org
From: Andrew Morton <akpm@linux-foundation.org>
Subject: [merged mm-stable] lib-reuse-page_ext_data-to-obtain-codetag_ref.patch removed from -mm tree
Message-Id: <20240712225518.0152AC32782@smtp.kernel.org>
Precedence: bulk


The quilt patch titled
     Subject: lib: reuse page_ext_data() to obtain codetag_ref
has been removed from the -mm tree.  Its filename was
     lib-reuse-page_ext_data-to-obtain-codetag_ref.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: Suren Baghdasaryan <surenb@google.com>
Subject: lib: reuse page_ext_data() to obtain codetag_ref
Date: Thu, 11 Jul 2024 15:04:56 -0700

codetag_ref_from_page_ext() reimplements the same calculation as
page_ext_data().  Reuse existing function instead.

Link: https://lkml.kernel.org/r/20240711220457.1751071-2-surenb@google.com
Fixes: dcfe378c81f7 ("lib: introduce support for page allocation tagging")
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Sourav Panda <souravpanda@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/pgalloc_tag.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/pgalloc_tag.h~lib-reuse-page_ext_data-to-obtain-codetag_ref
+++ a/include/linux/pgalloc_tag.h
@@ -15,7 +15,7 @@ extern struct page_ext_operations page_a
 
 static inline union codetag_ref *codetag_ref_from_page_ext(struct page_ext *page_ext)
 {
-	return (void *)page_ext + page_alloc_tagging_ops.offset;
+	return (union codetag_ref *)page_ext_data(page_ext, &page_alloc_tagging_ops);
 }
 
 static inline struct page_ext *page_ext_from_codetag_ref(union codetag_ref *ref)
_

Patches currently in -mm which might be from surenb@google.com are

alloc_tag-export-memory-allocation-profiling-symbols-used-by-modules.patch