diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm.h | 4 | ||||
| -rw-r--r-- | include/net/sock.h | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 6a2cd2e79a11..ebe9c620a4d1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1139,6 +1139,10 @@ void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma, * followed by taking the mmap_sem for writing before modifying the * vmas or anything the coredump pretends not to change from under it. * + * It also has to be called when mmgrab() is used in the context of + * the process, but then the mm_count refcount is transferred outside + * the context of the process to run down_write() on that pinned mm. + * * NOTE: find_extend_vma() called from GUP context is the only place * that can modify the "mm" (notably the vm_start/end) under mmap_sem * for reading and outside the context of the process, so it is also diff --git a/include/net/sock.h b/include/net/sock.h index dc669a3601cb..a1e0077f7950 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -780,6 +780,8 @@ static inline int sk_memalloc_socks(void) { return static_key_false(&memalloc_socks); } + +void __receive_sock(struct file *file); #else static inline int sk_memalloc_socks(void) @@ -787,6 +789,8 @@ static inline int sk_memalloc_socks(void) return 0; } +static inline void __receive_sock(struct file *file) +{ } #endif static inline gfp_t sk_gfp_atomic(const struct sock *sk, gfp_t gfp_mask) |