linux-stable-rt/ipc
David Howells ed5e5894b2 nommu: fix SYSV SHM for NOMMU
Commit c4caa77815 ("file
->get_unmapped_area() shouldn't duplicate work of get_unmapped_area()")
broke SYSV SHM for NOMMU by taking away the pointer to
shm_get_unmapped_area() from shm_file_operations.

Put it back conditionally on CONFIG_MMU=n.

file->f_ops->get_unmapped_area() is used to find out the base address for a
mapping of a mappable chardev device or mappable memory-based file (such as a
ramfs file).  It needs to be called prior to file->f_ops->mmap() being called.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-01-16 12:15:39 -08:00
..
Makefile
compat.c
compat_mq.c
ipc_sysctl.c
ipcns_notifier.c
mq_sysctl.c
mqueue.c Untangling ima mess, part 2: deal with counters 2009-12-16 12:16:47 -05:00
msg.c ipc ns: fix memory leak (idr) 2009-12-16 07:20:09 -08:00
msgutil.c
namespace.c
sem.c ipc: remove unreachable code in sem.c 2009-12-16 07:20:10 -08:00
shm.c nommu: fix SYSV SHM for NOMMU 2010-01-16 12:15:39 -08:00
util.c
util.h