[PATCH v6 01/10] userfaultfd/hugetlbfs: avoid including userfaultfd_k.h in hugetlb.h
From: Axel Rasmussen <axelrasmussen@google.com>
Date: 2021-05-03 18:07:54
Also in:
linux-api, linux-kselftest, linux-mm, lkml
Subsystem:
hugetlb subsystem, memory management, the rest · Maintainers:
Muchun Song, Oscar Salvador, Andrew Morton, Linus Torvalds
Minimizing header file inclusion is desirable. In this case, we can do so just by forward declaring the enumeration our signature relies upon. Reviewed-by: Peter Xu <peterx@redhat.com> Acked-by: Hugh Dickins <hughd@google.com> Signed-off-by: Axel Rasmussen <axelrasmussen@google.com> --- include/linux/hugetlb.h | 2 +- mm/hugetlb.c | 1 + 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index b92f25ccef58..c98269e61ff6 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h@@ -11,11 +11,11 @@ #include <linux/kref.h> #include <linux/pgtable.h> #include <linux/gfp.h> -#include <linux/userfaultfd_k.h> struct ctl_table; struct user_struct; struct mmu_gather; +enum mcopy_atomic_mode; #ifndef is_hugepd typedef struct { unsigned long pd; } hugepd_t;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 3db405dea3dc..d2212cafd335 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c@@ -40,6 +40,7 @@ #include <linux/hugetlb_cgroup.h> #include <linux/node.h> #include <linux/page_owner.h> +#include <linux/userfaultfd_k.h> #include "internal.h" int hugetlb_max_hstate __read_mostly;
--
2.31.1.527.g47e6f16901-goog