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NOMMU: Fix SYSV IPC SHM

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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 <[email protected]>
Cc: Nick Piggin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
David Howells 2007-07-31 00:37:24 -07:00 • committed by Linus Torvalds
commit 2e92a3baee
2 changed files with 8 additions and 1 deletions
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7
fs/ramfs/file-nommu.c
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@ -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;
}