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(parent: 40716e2) | patch
hugetlb: remove prev_vma from hugetlb_get_unmapped_area_topdown()
authorXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Wed, 21 Mar 2012 23:34:14 +0000 (16:34 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 22 Mar 2012 00:54:59 +0000 (17:54 -0700)
commitb69add218d32450d6604bc9080f6e33e19b06f5e
tree67c91d3534c2f7bf01b03a49be7543abe77d16a6tree | snapshot
parent40716e29243de46720e5773797791466c28904eccommit | diff
hugetlb: remove prev_vma from hugetlb_get_unmapped_area_topdown()

After looking up the vma which covers or follows the cached search
address, the following condition is always true:

!prev_vma || (addr >= prev_vma->vm_end)

so we can stop checking the previous VMA altogether.

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/x86/mm/hugetlbpage.c diff | blob | history
Domain: SCM / Uncategorized;