From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx200.postini.com [74.125.245.200]) by kanga.kvack.org (Postfix) with SMTP id 88F416B002B for ; Sat, 25 Aug 2012 08:36:38 -0400 (EDT) Received: by vcbfl10 with SMTP id fl10so3741138vcb.14 for ; Sat, 25 Aug 2012 05:36:37 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20120823171854.473831303@de.ibm.com> References: <20120823171733.595087166@de.ibm.com> <20120823171854.473831303@de.ibm.com> Date: Sat, 25 Aug 2012 20:36:37 +0800 Message-ID: Subject: Re: [RFC patch 2/7] thp: introduce pmdp_invalidate() From: Hillf Danton Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Gerald Schaefer Cc: akpm@linux-foundation.org, aarcange@redhat.com, linux-mm@kvack.org, ak@linux.intel.com, hughd@google.com, linux-kernel@vger.kernel.org, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com On Fri, Aug 24, 2012 at 1:17 AM, Gerald Schaefer wrote: > +#ifndef __HAVE_ARCH_PMDP_INVALIDATE > +#ifdef CONFIG_TRANSPARENT_HUGEPAGE > +static inline void pmdp_invalidate(struct vm_area_struct *vma, > + unsigned long address, pmd_t *pmdp) > +{ > + set_pmd_at(vma->vm_mm, address, pmd, pmd_mknotpresent(*pmd)); set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(*pmdp)); yes? > + flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); > +} -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org