Hi Andrew, After merging the akpm tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: fs/aio.c: In function 'exit_aio': fs/aio.c:522:60: error: macro "hlist_for_each_entry_safe" passed 5 arguments, but takes just 4 fs/aio.c:522:2: error: 'hlist_for_each_entry_safe' undeclared (first use in this function) fs/aio.c:522:2: note: each undeclared identifier is reported only once for each function it appears in fs/aio.c:522:62: error: expected ';' before '{' token I added this fix patch: From: Stephen Rothwell Date: Fri, 1 Mar 2013 15:30:24 +1100 Subject: [PATCH] aio: fixup for hlist_for_each_entry_safe API change Signed-off-by: Stephen Rothwell --- fs/aio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/aio.c b/fs/aio.c index b36c2b6..2512232 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -517,9 +517,9 @@ EXPORT_SYMBOL(wait_on_sync_kiocb); void exit_aio(struct mm_struct *mm) { struct kioctx *ctx; - struct hlist_node *p, *n; + struct hlist_node *n; - hlist_for_each_entry_safe(ctx, p, n, &mm->ioctx_list, list) { + hlist_for_each_entry_safe(ctx, n, &mm->ioctx_list, list) { /* * We don't need to bother with munmap() here - * exit_mmap(mm) is coming and it'll unmap everything. -- 1.8.1 -- Cheers, Stephen Rothwell sfr@canb.auug.org.au