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[128.59.19.33]) by smtp.gmail.com with ESMTPSA id w13-20020ac8718d000000b003a7f9b48e35sm3034253qto.29.2022.12.23.22.03.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Dec 2022 22:03:05 -0800 (PST) From: Kele Huang To: akpm@linux-foundation.org, willy@infradead.org, vbabka@suse.cz, david@redhat.com, Liam.Howlett@Oracle.com, hughd@google.com, peterx@redhat.com, yuzhao@google.com, ccross@google.com, arnd@arndb.de, pasha.tatashin@soleen.com Cc: linux-kernel@vger.kernel.org, Kele Huang Subject: [PATCH] mm: fix comment of page table counter Date: Sat, 24 Dec 2022 01:02:33 -0500 Message-Id: <20221224060233.417827-1-kele.huang@columbia.edu> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: 1W9N2F0P_oawEFQ_urPXqnwBkiBBQBjw X-Proofpoint-ORIG-GUID: 1W9N2F0P_oawEFQ_urPXqnwBkiBBQBjw X-CU-OB: Yes X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-23_08,2022-12-23_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 phishscore=0 clxscore=1011 adultscore=0 lowpriorityscore=10 spamscore=0 mlxlogscore=903 bulkscore=10 malwarescore=0 priorityscore=1501 impostorscore=10 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212240044 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Commit af5b0f6a09e42 ("mm: consolidate page table accounting") consolidates page table accounting to a single counter in struct mm_struct {} as mm->pgtables_bytes. So the meanning of this counter should be the size of all page tables now. Signed-off-by: Kele Huang --- include/linux/mm_types.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 3b8475007734..1c06c3cb6530 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -647,7 +647,7 @@ struct mm_struct { atomic_t mm_count; =20 #ifdef CONFIG_MMU - atomic_long_t pgtables_bytes; /* PTE page table pages */ + atomic_long_t pgtables_bytes; /* size of all page tables */ #endif int map_count; /* number of VMAs */ =20 --=20 2.38.1