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| author | Michel Lespinasse <walken@google.com> | 2013-02-21 16:43:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 17:22:20 -0800 |
| commit | 6d1c7ccae946f5c959f5c9236813d9c33ae48537 (patch) | |
| tree | 302940bc3853727589cd061aa1c3f724b15c9231 /arch/alpha | |
| parent | 182dcfd648aef0705fd04c42cbe507c09e00c25d (diff) | |
| download | linux-stable-6d1c7ccae946f5c959f5c9236813d9c33ae48537.tar.gz linux-stable-6d1c7ccae946f5c959f5c9236813d9c33ae48537.tar.bz2 linux-stable-6d1c7ccae946f5c959f5c9236813d9c33ae48537.zip | |
mm: use vm_unmapped_area() on alpha architecture
Update the alpha arch_get_unmapped_area function to make use of
vm_unmapped_area() instead of implementing a brute force search.
Signed-off-by: Michel Lespinasse <walken@google.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/kernel/osf_sys.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index dbc1760f418b..b9e37ad6fa19 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -1300,17 +1300,15 @@ static unsigned long arch_get_unmapped_area_1(unsigned long addr, unsigned long len, unsigned long limit) { - struct vm_area_struct *vma = find_vma(current->mm, addr); - - while (1) { - /* At this point: (!vma || addr < vma->vm_end). */ - if (limit - len < addr) - return -ENOMEM; - if (!vma || addr + len <= vma->vm_start) - return addr; - addr = vma->vm_end; - vma = vma->vm_next; - } + struct vm_unmapped_area_info info; + + info.flags = 0; + info.length = len; + info.low_limit = addr; + info.high_limit = limit; + info.align_mask = 0; + info.align_offset = 0; + return vm_unmapped_area(&info); } unsigned long |