From nobody Wed May 14 10:45:32 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1524498293750818.6672192040611; Mon, 23 Apr 2018 08:44:53 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CB46B59; Mon, 23 Apr 2018 15:44:51 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 82B4A65370; Mon, 23 Apr 2018 15:44:50 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id DF50F1809547; Mon, 23 Apr 2018 15:44:47 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w3NFiikF024407 for ; Mon, 23 Apr 2018 11:44:44 -0400 Received: by smtp.corp.redhat.com (Postfix) id 735F7200BCB2; Mon, 23 Apr 2018 15:44:44 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 178FC2026DFD for ; Mon, 23 Apr 2018 15:44:43 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Mon, 23 Apr 2018 17:44:38 +0200 Message-Id: <905d66675fae0c9d37a4f759a1f106920e622daa.1524498278.git.mprivozn@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH] virNumaGetHugePageInfo: Return page_avail and page_free as ULL X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 23 Apr 2018 15:44:52 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" https://bugzilla.redhat.com/show_bug.cgi?id=3D1569678 On some large systems (with ~400GB of RAM) it is possible for unsigned int to overflow in which case we report invalid number of 4K pages pool size. Switch to unsigned long long. Signed-off-by: Michal Privoznik Reviewed-by: Daniel P. Berrang=C3=A9 --- src/conf/capabilities.c | 5 +++-- src/conf/capabilities.h | 2 +- src/util/virhostmem.c | 2 +- src/util/virnuma.c | 32 ++++++++++++++++++-------------- src/util/virnuma.h | 8 ++++---- tests/virnumamock.c | 4 ++-- 6 files changed, 29 insertions(+), 24 deletions(-) diff --git a/src/conf/capabilities.c b/src/conf/capabilities.c index c4ee7efb5f..dd2fc77f91 100644 --- a/src/conf/capabilities.c +++ b/src/conf/capabilities.c @@ -816,7 +816,7 @@ virCapabilitiesFormatNUMATopology(virBufferPtr buf, cells[i]->mem); =20 for (j =3D 0; j < cells[i]->npageinfo; j++) { - virBufferAsprintf(buf, "%zu\n", + virBufferAsprintf(buf, "%llu\n", cells[i]->pageinfo[j].size, cells[i]->pageinfo[j].avail); } @@ -1351,7 +1351,8 @@ virCapabilitiesGetNUMAPagesInfo(int node, int *npageinfo) { int ret =3D -1; - unsigned int *pages_size =3D NULL, *pages_avail =3D NULL; + unsigned int *pages_size =3D NULL; + unsigned long long *pages_avail =3D NULL; size_t npages, i; =20 if (virNumaGetPages(node, &pages_size, &pages_avail, NULL, &npages) < = 0) diff --git a/src/conf/capabilities.h b/src/conf/capabilities.h index 694a3590bf..f0a06a24df 100644 --- a/src/conf/capabilities.h +++ b/src/conf/capabilities.h @@ -107,7 +107,7 @@ typedef struct _virCapsHostNUMACellPageInfo virCapsHost= NUMACellPageInfo; typedef virCapsHostNUMACellPageInfo *virCapsHostNUMACellPageInfoPtr; struct _virCapsHostNUMACellPageInfo { unsigned int size; /* page size in kibibytes */ - size_t avail; /* the size of pool */ + unsigned long long avail; /* the size of pool */ }; =20 typedef struct _virCapsHostNUMACell virCapsHostNUMACell; diff --git a/src/util/virhostmem.c b/src/util/virhostmem.c index 11efe8c502..c923a1edf5 100644 --- a/src/util/virhostmem.c +++ b/src/util/virhostmem.c @@ -783,7 +783,7 @@ virHostMemGetFreePages(unsigned int npages, for (cell =3D startCell; cell <=3D lastCell; cell++) { for (i =3D 0; i < npages; i++) { unsigned int page_size =3D pages[i]; - unsigned int page_free; + unsigned long long page_free; =20 if (virNumaGetPageInfo(cell, page_size, 0, NULL, &page_free) <= 0) goto cleanup; diff --git a/src/util/virnuma.c b/src/util/virnuma.c index bebe301f8d..784db0a7ce 100644 --- a/src/util/virnuma.c +++ b/src/util/virnuma.c @@ -563,8 +563,8 @@ virNumaGetHugePageInfoDir(char **path, int node) static int virNumaGetHugePageInfo(int node, unsigned int page_size, - unsigned int *page_avail, - unsigned int *page_free) + unsigned long long *page_avail, + unsigned long long *page_free) { int ret =3D -1; char *path =3D NULL; @@ -579,7 +579,7 @@ virNumaGetHugePageInfo(int node, if (virFileReadAll(path, 1024, &buf) < 0) goto cleanup; =20 - if (virStrToLong_ui(buf, &end, 10, page_avail) < 0 || + if (virStrToLong_ull(buf, &end, 10, page_avail) < 0 || *end !=3D '\n') { virReportError(VIR_ERR_INTERNAL_ERROR, _("unable to parse: %s"), @@ -598,7 +598,7 @@ virNumaGetHugePageInfo(int node, if (virFileReadAll(path, 1024, &buf) < 0) goto cleanup; =20 - if (virStrToLong_ui(buf, &end, 10, page_free) < 0 || + if (virStrToLong_ull(buf, &end, 10, page_free) < 0 || *end !=3D '\n') { virReportError(VIR_ERR_INTERNAL_ERROR, _("unable to parse: %s"), @@ -645,8 +645,8 @@ int virNumaGetPageInfo(int node, unsigned int page_size, unsigned long long huge_page_sum, - unsigned int *page_avail, - unsigned int *page_free) + unsigned long long *page_avail, + unsigned long long *page_free) { int ret =3D -1; long system_page_size =3D virGetSystemPageSize(); @@ -709,8 +709,8 @@ virNumaGetPageInfo(int node, int virNumaGetPages(int node, unsigned int **pages_size, - unsigned int **pages_avail, - unsigned int **pages_free, + unsigned long long **pages_avail, + unsigned long long **pages_free, size_t *npages) { int ret =3D -1; @@ -718,7 +718,9 @@ virNumaGetPages(int node, DIR *dir =3D NULL; int direrr =3D 0; struct dirent *entry; - unsigned int *tmp_size =3D NULL, *tmp_avail =3D NULL, *tmp_free =3D NU= LL; + unsigned int *tmp_size =3D NULL; + unsigned long long *tmp_avail =3D NULL; + unsigned long long *tmp_free =3D NULL; unsigned int ntmp =3D 0; size_t i; bool exchange; @@ -744,7 +746,9 @@ virNumaGetPages(int node, =20 while (dir && (direrr =3D virDirRead(dir, &entry, path)) > 0) { const char *page_name =3D entry->d_name; - unsigned int page_size, page_avail =3D 0, page_free =3D 0; + unsigned int page_size; + unsigned long long page_avail =3D 0; + unsigned long long page_free =3D 0; char *end; =20 /* Just to give you a hint, we're dealing with this: @@ -934,8 +938,8 @@ int virNumaGetPageInfo(int node ATTRIBUTE_UNUSED, unsigned int page_size ATTRIBUTE_UNUSED, unsigned long long huge_page_sum ATTRIBUTE_UNUSED, - unsigned int *page_avail ATTRIBUTE_UNUSED, - unsigned int *page_free ATTRIBUTE_UNUSED) + unsigned long long *page_avail ATTRIBUTE_UNUSED, + unsigned long long *page_free ATTRIBUTE_UNUSED) { virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s", _("page info is not supported on this platform")); @@ -946,8 +950,8 @@ virNumaGetPageInfo(int node ATTRIBUTE_UNUSED, int virNumaGetPages(int node ATTRIBUTE_UNUSED, unsigned int **pages_size ATTRIBUTE_UNUSED, - unsigned int **pages_avail ATTRIBUTE_UNUSED, - unsigned int **pages_free ATTRIBUTE_UNUSED, + unsigned long long **pages_avail ATTRIBUTE_UNUSED, + unsigned long long **pages_free ATTRIBUTE_UNUSED, size_t *npages ATTRIBUTE_UNUSED) { virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s", diff --git a/src/util/virnuma.h b/src/util/virnuma.h index e4e1fd0b97..a3ffb6d6c7 100644 --- a/src/util/virnuma.h +++ b/src/util/virnuma.h @@ -52,12 +52,12 @@ int virNumaGetNodeCPUs(int node, virBitmapPtr *cpus) AT= TRIBUTE_NOINLINE; int virNumaGetPageInfo(int node, unsigned int page_size, unsigned long long huge_page_sum, - unsigned int *page_avail, - unsigned int *page_free); + unsigned long long *page_avail, + unsigned long long *page_free); int virNumaGetPages(int node, unsigned int **pages_size, - unsigned int **pages_avail, - unsigned int **pages_free, + unsigned long long **pages_avail, + unsigned long long **pages_free, size_t *npages) ATTRIBUTE_NONNULL(5) ATTRIBUTE_NOINLINE; int virNumaSetPagePoolSize(int node, diff --git a/tests/virnumamock.c b/tests/virnumamock.c index d8f90b81b3..475efc1f34 100644 --- a/tests/virnumamock.c +++ b/tests/virnumamock.c @@ -125,8 +125,8 @@ virNumaGetDistances(int node ATTRIBUTE_UNUSED, int virNumaGetPages(int node, unsigned int **pages_size, - unsigned int **pages_avail, - unsigned int **pages_free, + unsigned long long **pages_avail, + unsigned long long **pages_free, size_t *npages) { const int pages_def[] =3D { 4, 2 * 1024, 1 * 1024 * 1024}; --=20 2.16.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list