diff options
author | David S. Miller <davem@davemloft.net> | 2010-04-11 14:53:53 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2010-04-11 14:53:53 -0700 |
commit | 871039f02f8ec4ab2e5e9010718caa8e085786f1 (patch) | |
tree | f0d2b3127fc48c862967d68c46c2d46668137515 /mm/nommu.c | |
parent | e4077e018b5ead3de9951fc01d8bf12eeeeeefed (diff) | |
parent | 4a1032faac94ebbf647460ae3e06fc21146eb280 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/stmmac/stmmac_main.c
drivers/net/wireless/wl12xx/wl1271_cmd.c
drivers/net/wireless/wl12xx/wl1271_main.c
drivers/net/wireless/wl12xx/wl1271_spi.c
net/core/ethtool.c
net/mac80211/scan.c
Diffstat (limited to 'mm/nommu.c')
-rw-r--r-- | mm/nommu.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 605ace8982a..63fa17d121f 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -146,7 +146,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, (VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE); for (i = 0; i < nr_pages; i++) { - vma = find_extend_vma(mm, start); + vma = find_vma(mm, start); if (!vma) goto finish_or_fault; @@ -162,7 +162,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, } if (vmas) vmas[i] = vma; - start += PAGE_SIZE; + start = (start + PAGE_SIZE) & PAGE_MASK; } return i; @@ -764,7 +764,7 @@ EXPORT_SYMBOL(find_vma); */ struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr) { - return find_vma(mm, addr & PAGE_MASK); + return find_vma(mm, addr); } /* @@ -1040,10 +1040,9 @@ static int do_mmap_shared_file(struct vm_area_struct *vma) if (ret != -ENOSYS) return ret; - /* getting an ENOSYS error indicates that direct mmap isn't - * possible (as opposed to tried but failed) so we'll fall - * through to making a private copy of the data and mapping - * that if we can */ + /* getting -ENOSYS indicates that direct mmap isn't possible (as + * opposed to tried but failed) so we can only give a suitable error as + * it's not possible to make a private copy if MAP_SHARED was given */ return -ENODEV; } |