linux/ipc
Adam Litke 516dffdcd8 [PATCH] Fix get_unmapped_area and fsync for hugetlb shm segments
This patch provides the following hugetlb-related fixes to the recent stacked
shm files changes:
 - Update is_file_hugepages() so it will reconize hugetlb shm segments.
 - get_unmapped_area must be called with the nested file struct to handle
   the sfd->file->f_ops->get_unmapped_area == NULL case.
 - The fsync f_op must be wrapped since it is specified in the hugetlbfs
   f_ops.

This is based on proposed fixes from Eric Biederman that were debugged and
tested by me.  Without it, attempting to use hugetlb shared memory segments
on powerpc (and likely ia64) will kill your box.

Signed-off-by: Adam Litke <agl@us.ibm.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: William Irwin <bill.irwin@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 17:18:39 -08:00
..
Makefile [PATCH] sysctl: move SYSV IPC sysctls to their own file 2007-02-14 08:09:59 -08:00
compat.c [PATCH] Fix the size limit of compat space msgsize 2006-12-07 08:39:38 -08:00
compat_mq.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipc_sysctl.c [PATCH] sysctl: remove insert_at_head from register_sysctl 2007-02-14 08:09:59 -08:00
mqueue.c [PATCH] sysctl: remove insert_at_head from register_sysctl 2007-02-14 08:09:59 -08:00
msg.c [PATCH] Fix the size limit of compat space msgsize 2006-12-07 08:39:38 -08:00
msgutil.c [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
sem.c [PATCH] kernel core: replace kmalloc+memset with kzalloc 2006-12-07 08:39:41 -08:00
shm.c [PATCH] Fix get_unmapped_area and fsync for hugetlb shm segments 2007-03-01 17:18:39 -08:00
util.c [PATCH] mark struct file_operations const 7 2007-02-12 09:48:46 -08:00
util.h [PATCH] Fix ipc entries removal 2006-11-03 12:27:56 -08:00