Message ID | 1357694895-520-3-git-send-email-walken@google.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
On 01/08/2013 08:28 PM, Michel Lespinasse wrote: > 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> -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 9/01/2013, at 2:28 PM, Michel Lespinasse wrote: > 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> 'Tis running fine on my alpha. Tested-by: Michael Cree <mcree@orcon.net.nz> Cheers Michael. -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 14db93e4c8a8..ba707e23ef37 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -1298,17 +1298,15 @@ 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
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> --- arch/alpha/kernel/osf_sys.c | 20 +++++++++----------- 1 files changed, 9 insertions(+), 11 deletions(-)