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authorDavid Howells <dhowells@redhat.com>2007-07-31 00:37:24 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:39:36 -0700
commit2e92a3baee64112fd210a930276bad165b0bd576 (patch)
tree00e9e59fe3fe4ce84d2fb00b134a02a9137acdc7 /fs/ramfs
parent6a302358d87fedaf7bda12b8e909265ebf1ce674 (diff)
downloadblackbird-op-linux-2e92a3baee64112fd210a930276bad165b0bd576.tar.gz
blackbird-op-linux-2e92a3baee64112fd210a930276bad165b0bd576.zip
NOMMU: Fix SYSV IPC SHM
Fix the SYSV IPC SHM to work with the changes applied by the new fault handler patches when CONFIG_MMU=n. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ramfs')
-rw-r--r--fs/ramfs/file-nommu.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index cad2b7ace630..237fe8b8e819 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -295,5 +295,10 @@ unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
*/
int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma)
{
- return vma->vm_flags & VM_SHARED ? 0 : -ENOSYS;
+ if (!(vma->vm_flags & VM_SHARED))
+ return -ENOSYS;
+
+ file_accessed(file);
+ vma->vm_ops = &generic_file_vm_ops;
+ return 0;
}
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