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| author |   Suren Baghdasaryan <surenb@google.com> | 2024-07-11 15:04:56 -0700 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2024-07-17 21:05:18 -0700 |
| commit | fd8acc0097b91fab3104fa8a66ce2fd9cf8b0c11 (patch) | |
| tree | 1e18d28346191c8aa20336f04d2a9166b4b7b203 | |
| parent | lib: add missing newline character in the warning message (diff) | |
| download | wireguard-linux-fd8acc0097b91fab3104fa8a66ce2fd9cf8b0c11.tar.xz wireguard-linux-fd8acc0097b91fab3104fa8a66ce2fd9cf8b0c11.zip | |
lib: reuse page_ext_data() to obtain codetag_ref
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>
| -rw-r--r-- | include/linux/pgalloc_tag.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/pgalloc_tag.h b/include/linux/pgalloc_tag.h index 9cacadbd61f8..acb1e9ce7981 100644 --- a/include/linux/pgalloc_tag.h +++ b/include/linux/pgalloc_tag.h @@ -15,7 +15,7 @@ extern struct page_ext_operations page_alloc_tagging_ops; 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) |