From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bharata B Rao Date: Mon, 04 Nov 2019 04:29:53 +0000 Subject: [PATCH v10 1/8] mm: ksm: Export ksm_madvise() Message-Id: <20191104041800.24527-2-bharata@linux.ibm.com> List-Id: References: <20191104041800.24527-1-bharata@linux.ibm.com> In-Reply-To: <20191104041800.24527-1-bharata@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org, linux-mm@kvack.org Cc: paulus@au1.ibm.com, aneesh.kumar@linux.vnet.ibm.com, jglisse@redhat.com, cclaudio@linux.ibm.com, linuxram@us.ibm.com, sukadev@linux.vnet.ibm.com, hch@lst.de, Bharata B Rao KVM PPC module needs ksm_madvise() for supporting secure guests. Guest pages that become secure are represented as device private pages in the host. Such pages shouldn't participate in KSM merging. Signed-off-by: Bharata B Rao --- mm/ksm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/ksm.c b/mm/ksm.c index dbee2eb4dd05..e45b02ad3f0b 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -2478,6 +2478,7 @@ int ksm_madvise(struct vm_area_struct *vma, unsigned long start, return 0; } +EXPORT_SYMBOL_GPL(ksm_madvise); int __ksm_enter(struct mm_struct *mm) { -- 2.21.0