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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Sep 2022 16:14:39.7134 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8f7a68c0-d662-42ca-8413-08da8f59bc2d X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR03FT018.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAVPR08MB9745 X-Spam-Status: No, score=-11.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,GIT_PATCH_0,KAM_DMARC_NONE,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Replace a few counters using atomic_exchange_and_add with atomic_fetch_add_= relaxed.=0A= =0A= Passes regress on AArch64.=0A= =0A= ---=0A= =0A= =0A= diff --git a/malloc/malloc.c b/malloc/malloc.c=0A= index 29fa71b3b2a3d0a671149eaf619e4d518c56aef5..ecec901b14f602e3c93da1a847f= 043ffee41a1f4 100644=0A= --- a/malloc/malloc.c=0A= +++ b/malloc/malloc.c=0A= @@ -2460,11 +2460,11 @@ sysmalloc_mmap (INTERNAL_SIZE_T nb, size_t pagesize= , int extra_flags, mstate av)=0A= }=0A= =0A= /* update statistics */=0A= - int new =3D atomic_exchange_and_add (&mp_.n_mmaps, 1) + 1;=0A= + int new =3D atomic_fetch_add_relaxed (&mp_.n_mmaps, 1) + 1;=0A= atomic_max (&mp_.max_n_mmaps, new);=0A= =0A= unsigned long sum;=0A= - sum =3D atomic_exchange_and_add (&mp_.mmapped_mem, size) + size;=0A= + sum =3D atomic_fetch_add_relaxed (&mp_.mmapped_mem, size) + size;=0A= atomic_max (&mp_.max_mmapped_mem, sum);=0A= =0A= check_chunk (av, p);=0A= @@ -3084,7 +3084,7 @@ mremap_chunk (mchunkptr p, size_t new_size)=0A= set_head (p, (new_size - offset) | IS_MMAPPED);=0A= =0A= INTERNAL_SIZE_T new;=0A= - new =3D atomic_exchange_and_add (&mp_.mmapped_mem, new_size - size - off= set)=0A= + new =3D atomic_fetch_add_relaxed (&mp_.mmapped_mem, new_size - size - of= fset)=0A= + new_size - size - offset;=0A= atomic_max (&mp_.max_mmapped_mem, new);=0A= return p;=0A= =0A=