Messages in this thread | | | Date | Tue, 29 May 2018 16:44:38 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH v3 3/3] x86/mm: add TLB purge to free pmd/pte page interfaces |
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On Wed, May 16, 2018 at 05:32:07PM -0600, Toshi Kani wrote: > pmd = (pmd_t *)pud_page_vaddr(*pud); > + pmd_sv = (pmd_t *)__get_free_page(GFP_KERNEL); > + if (!pmd_sv) > + return 0;
So your code still needs to allocate a full page where a simple list_head on the stack would do the same job.
Ingo, Thomas, can you please just revert the original broken patch for now until there is proper fix?
Thanks,
Joerg
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