On 03/14/2013 10:50 AM, Kirill A. Shutemov wrote:
> + if (filp)
> + info.align_mask = mapping_can_have_hugepages(filp->f_mapping) ?
> + PAGE_MASK & ~HPAGE_MASK : get_align_mask();
> + else
> + info.align_mask = 0;
> info.align_offset = pgoff << PAGE_SHIFT;
> return vm_unmapped_area(&info);
> }
> @@ -174,7 +179,11 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
> info.length = len;
> info.low_limit = PAGE_SIZE;
> info.high_limit = mm->mmap_base;
> - info.align_mask = filp ? get_align_mask() : 0;
> + if (filp)
> + info.align_mask = mapping_can_have_hugepages(filp->f_mapping) ?
> + PAGE_MASK & ~HPAGE_MASK : get_align_mask();
> + else
> + info.align_mask = 0;
> info.align_offset = pgoff << PAGE_SHIFT;
> addr = vm_unmapped_area(&info);
> if (!(addr & ~PAGE_MASK))
how about
static inline
unsigned long mapping_align_mask(struct address_space *mapping)
{
if (mapping_can_have_hugepages(filp->f_mapping))
return PAGE_MASK & ~HPAGE_MASK;
return get_align_mask();
}
to replace these two open-coded versions?
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