Messages in this thread | | | Date | Fri, 29 Jul 2016 11:09:08 -0700 (PDT) | Subject | Re: [PATCH v2] sparc64: Trim page tables for 8M hugepages | From | David Miller <> |
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From: Nitin Gupta <nitin.m.gupta@oracle.com> Date: Fri, 29 Jul 2016 00:54:21 -0700
> For PMD aligned (8M) hugepages, we currently allocate > all four page table levels which is wasteful. We now > allocate till PMD level only which saves memory usage > from page tables. > > Also, when freeing page table for 8M hugepage backed region, > make sure we don't try to access non-existent PTE level. > > Orabug: 22630259 > > Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com> > --- > Changelog v2 vs v1 > - Combine fix for page table freeing with the main trimming patch (Dave)
Applied, thanks.
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