The page frag allocator is not designed for fragsz > PAGE_SIZE. Specify this in the document. Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> --- Documentation/mm/page_frags.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/mm/page_frags.rst b/Documentation/mm/page_frags.rst index 503ca6cdb804..212ecc69dd74 100644 --- a/Documentation/mm/page_frags.rst +++ b/Documentation/mm/page_frags.rst @@ -2,7 +2,7 @@ Page fragments ============== -A page fragment is an arbitrary-length arbitrary-offset area of memory +A page fragment is a len <= PAGE_SIZE, arbitrary-offset area of memory which resides within a 0 or higher order compound page. Multiple fragments within that page are individually refcounted, in the page's reference counter. -- 2.34.1
