Re: [PATCH] powerpc/mm: Fix potential access to freed pages when using hugetlbfs

2009-06-17 Thread Benjamin Herrenschmidt
> Thanks for the patch. The machine survived after two days of > testing with hugetlbfs tests. Excellent, thanks for testing, I'll merge it with my next batch. Cheers, Ben. ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozl

Re: [PATCH] powerpc/mm: Fix potential access to freed pages when using hugetlbfs

2009-06-17 Thread Sachin Sant
Benjamin Herrenschmidt wrote: When using 64k page sizes, our PTE pages are split in two halves, the second half containing the "extension" used to keep track of individual 4k pages when not using HW 64k pages. However, our page tables used for hugetlb have a slightly different format and don't c

[PATCH] powerpc/mm: Fix potential access to freed pages when using hugetlbfs

2009-06-15 Thread Benjamin Herrenschmidt
When using 64k page sizes, our PTE pages are split in two halves, the second half containing the "extension" used to keep track of individual 4k pages when not using HW 64k pages. However, our page tables used for hugetlb have a slightly different format and don't carry that "second half". Our co