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| author | Anton Arapov <anton@redhat.com> | 2012-09-12 09:18:33 +0200 |
|---|---|---|
| committer | Anton Arapov <anton@redhat.com> | 2012-09-12 09:19:26 +0200 |
| commit | 985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2 (patch) | |
| tree | eb9091ebd60e14eea65a9e6b5140f98d88e8a590 /arch/s390/mm/mmap.c | |
| parent | 1d44b6f3fcf6058fb7c960b7558766967e8028f7 (diff) | |
| download | kernel-uprobes-985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2.tar.gz kernel-uprobes-985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2.tar.xz kernel-uprobes-985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2.zip | |
fedora kernel: 021ce7bee3cfdcbf16da1256b2c9f40f7e9bbd9ev3.5.3-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/s390/mm/mmap.c')
| -rw-r--r-- | arch/s390/mm/mmap.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index 2857c48486e..a64fe53c720 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -105,9 +105,15 @@ void arch_pick_mmap_layout(struct mm_struct *mm) int s390_mmap_check(unsigned long addr, unsigned long len) { + int rc; + if (!is_compat_task() && - len >= TASK_SIZE && TASK_SIZE < (1UL << 53)) - return crst_table_upgrade(current->mm, 1UL << 53); + len >= TASK_SIZE && TASK_SIZE < (1UL << 53)) { + rc = crst_table_upgrade(current->mm, 1UL << 53); + if (rc) + return rc; + update_mm(current->mm, current); + } return 0; } @@ -127,6 +133,7 @@ s390_get_unmapped_area(struct file *filp, unsigned long addr, rc = crst_table_upgrade(mm, 1UL << 53); if (rc) return (unsigned long) rc; + update_mm(mm, current); area = arch_get_unmapped_area(filp, addr, len, pgoff, flags); } return area; @@ -149,6 +156,7 @@ s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr, rc = crst_table_upgrade(mm, 1UL << 53); if (rc) return (unsigned long) rc; + update_mm(mm, current); area = arch_get_unmapped_area_topdown(filp, addr, len, pgoff, flags); } |