diff options
| author | Liam R. Howlett <Liam.Howlett@Oracle.com> | 2023-01-20 17:26:16 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-10 01:51:32 +0100 |
| commit | d60beb1f698a429825ea2c463ee9e3dc3b1a79b7 (patch) | |
| tree | a2b55fa84e745da3ff5b242b2dd40a90b7730684 /ipc | |
| parent | mm: add temporary vma iterator versions of vma_merge(), split_vma(), and __sp... (diff) | |
| download | linux-d60beb1f698a429825ea2c463ee9e3dc3b1a79b7.tar.xz linux-d60beb1f698a429825ea2c463ee9e3dc3b1a79b7.zip | |
ipc/shm: use the vma iterator for munmap calls
Pass through the vma iterator to do_vmi_munmap() to handle the iterator
state internally
Link: https://lkml.kernel.org/r/20230120162650.984577-16-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/shm.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index bd2fcc4d454e..1c6a6b319a49 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -1786,8 +1786,8 @@ long ksys_shmdt(char __user *shmaddr) */ file = vma->vm_file; size = i_size_read(file_inode(vma->vm_file)); - do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start, NULL); - mas_pause(&vmi.mas); + do_vmi_munmap(&vmi, mm, vma->vm_start, + vma->vm_end - vma->vm_start, NULL, false); /* * We discovered the size of the shm segment, so * break out of here and fall through to the next @@ -1810,10 +1810,9 @@ long ksys_shmdt(char __user *shmaddr) /* finding a matching vma now does not alter retval */ if ((vma->vm_ops == &shm_vm_ops) && ((vma->vm_start - addr)/PAGE_SIZE == vma->vm_pgoff) && - (vma->vm_file == file)) { - do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start, NULL); - mas_pause(&vmi.mas); - } + (vma->vm_file == file)) + do_vmi_munmap(&vmi, mm, vma->vm_start, + vma->vm_end - vma->vm_start, NULL, false); vma = vma_next(&vmi); } |