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| author |   Gerald Schaefer <gerald.schaefer@de.ibm.com> | 2009-03-18 13:27:35 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-03-18 13:28:13 +0100 |
| commit | 2887fc5aa60803b9d6d38c79248805f08d8b0e28 (patch) | |
| tree | 1aa69da137c2be0a93e9e639750afe065dbdf98a /arch/s390/mm/mmap.c | |
| parent | [S390] ftrace/mcount: fix kernel stack backchain (diff) | |
| download | linux-dev-2887fc5aa60803b9d6d38c79248805f08d8b0e28.tar.xz linux-dev-2887fc5aa60803b9d6d38c79248805f08d8b0e28.zip | |
[S390] Dont check for pfn_valid() in uaccess_pt.c
pfn_valid() actually checks for a valid struct page and not for a
valid pfn. Using xip mappings w/o struct pages, this will result in
-EFAULT returned by the (page table walk) user copy functions,
even though there is valid memory. Those user copy functions don't
need a struct page, so this patch just removes the pfn_valid() check.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm/mmap.c')
0 files changed, 0 insertions, 0 deletions