From: Peter Xu <peterx@redhat.com>
To: Axel Rasmussen <axelrasmussen@google.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
Andrea Arcangeli <aarcange@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Daniel Colascione <dancol@google.com>,
Hugh Dickins <hughd@google.com>,
Jerome Glisse <jglisse@redhat.com>, Joe Perches <joe@perches.com>,
Lokesh Gidra <lokeshgidra@google.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Mike Rapoport <rppt@linux.vnet.ibm.com>, Shaohua Li <shli@fb.com>,
Shuah Khan <shuah@kernel.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Wang Qing <wangqing@vivo.com>,
linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-mm@kvack.org, Brian Geffon <bgeffon@google.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
Mina Almasry <almasrymina@google.com>,
Oliver Upton <oupton@google.com>
Subject: Re: [PATCH 1/9] userfaultfd/hugetlbfs: avoid including userfaultfd_k.h in hugetlb.h
Date: Mon, 12 Apr 2021 19:47:07 -0400 [thread overview]
Message-ID: <20210412234707.GB1002612@xz-x1> (raw)
In-Reply-To: <20210408234327.624367-2-axelrasmussen@google.com>
On Thu, Apr 08, 2021 at 04:43:19PM -0700, Axel Rasmussen wrote:
> Minimizing header file inclusion is desirable. In this case, we can do
> so just by forward declaring the enumeration our signature relies upon.
>
> Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
> ---
> include/linux/hugetlb.h | 5 ++++-
> mm/hugetlb.c | 1 +
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
> index 1d3246b31a41..dfb749eaf348 100644
> --- a/include/linux/hugetlb.h
> +++ b/include/linux/hugetlb.h
> @@ -11,7 +11,6 @@
> #include <linux/kref.h>
> #include <linux/pgtable.h>
> #include <linux/gfp.h>
> -#include <linux/userfaultfd_k.h>
>
> struct ctl_table;
> struct user_struct;
> @@ -136,6 +135,8 @@ unsigned long hugetlb_total_pages(void);
> vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
> unsigned long address, unsigned int flags);
> #ifdef CONFIG_USERFAULTFD
> +enum mcopy_atomic_mode;
(I'm not 100% sure, but.. maybe this can be moved even out of ifdef? Then you
can define it once at the top rather than twice?)
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
next prev parent reply other threads:[~2021-04-12 23:47 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-08 23:43 [PATCH 0/9] userfaultfd: add minor fault handling for shmem Axel Rasmussen
2021-04-08 23:43 ` [PATCH 1/9] userfaultfd/hugetlbfs: avoid including userfaultfd_k.h in hugetlb.h Axel Rasmussen
2021-04-12 23:47 ` Peter Xu [this message]
2021-04-08 23:43 ` [PATCH 2/9] userfaultfd/shmem: combine shmem_{mcopy_atomic,mfill_zeropage}_pte Axel Rasmussen
2021-04-12 23:57 ` Peter Xu
2021-04-08 23:43 ` [PATCH 3/9] userfaultfd/shmem: support minor fault registration for shmem Axel Rasmussen
2021-04-09 16:50 ` Peter Xu
2021-04-08 23:43 ` [PATCH 4/9] userfaultfd/shmem: support UFFDIO_CONTINUE " Axel Rasmussen
2021-04-12 23:17 ` Peter Xu
2021-04-13 4:40 ` Axel Rasmussen
2021-04-13 18:12 ` Peter Xu
2021-04-15 18:18 ` Axel Rasmussen
2021-04-08 23:43 ` [PATCH 5/9] userfaultfd/selftests: use memfd_create for shmem test type Axel Rasmussen
2021-04-08 23:43 ` [PATCH 6/9] userfaultfd/selftests: create alias mappings in the shmem test Axel Rasmussen
2021-04-08 23:43 ` [PATCH 7/9] userfaultfd/selftests: reinitialize test context in each test Axel Rasmussen
2021-04-08 23:43 ` [PATCH 8/9] userfaultfd/selftests: exercise minor fault handling shmem support Axel Rasmussen
2021-04-08 23:43 ` [PATCH 9/9] userfaultfd/shmem: modify shmem_mcopy_atomic_pte to use install_ptes Axel Rasmussen
2021-04-09 5:04 ` [PATCH 0/9] userfaultfd: add minor fault handling for shmem Andrew Morton
2021-04-09 17:03 ` Axel Rasmussen
2021-04-09 21:18 ` Peter Xu
2021-04-09 22:16 ` Mike Kravetz
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