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Howlett" To: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrew Morton , Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Jerome Glisse , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka Subject: [PATCH 15/28] mm/mmap: Change vm_brk_flags() to use mm_populate_vma() Date: Thu, 10 Dec 2020 12:03:49 -0500 Message-Id: <20201210170402.3468568-16-Liam.Howlett@Oracle.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201210170402.3468568-1-Liam.Howlett@Oracle.com> References: <20201210170402.3468568-1-Liam.Howlett@Oracle.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9830 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 spamscore=0 mlxscore=0 malwarescore=0 suspectscore=0 mlxlogscore=842 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012100106 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9830 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 adultscore=0 bulkscore=0 phishscore=0 mlxlogscore=852 clxscore=1015 priorityscore=1501 mlxscore=0 spamscore=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012100106 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Skip searching for the vma to populate after creating it by passing in a pointer. Signed-off-by: Liam R. Howlett --- mm/mmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index ec2e92b03f9d1..dc7a742fbe131 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -3026,10 +3026,10 @@ int vm_brk_flags(unsigned long addr, unsigned long request, unsigned long flags) // This vma left intentionally blank. mas_walk(&mas); ret = do_brk_flags(&mas, &vma, addr, len, flags); - populate = ((mm->def_flags & VM_LOCKED) != 0); mmap_write_unlock(mm); + populate = ((mm->def_flags & VM_LOCKED) != 0); if (populate && !ret) - mm_populate(addr, len); + mm_populate_vma(vma, addr, addr + len); return ret; } EXPORT_SYMBOL(vm_brk_flags);