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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 18/28] mm/mmap: Drop munmap_vma_range() Date: Thu, 10 Dec 2020 12:03:52 -0500 Message-Id: <20201210170402.3468568-19-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=999 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 mlxlogscore=999 clxscore=1015 malwarescore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 impostorscore=0 mlxscore=0 bulkscore=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: Signed-off-by: Liam R. Howlett --- mm/mmap.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index f94a5c17252f2..d7a7d01f696c1 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -475,29 +475,6 @@ static inline struct vm_area_struct *vma_next(struct mm_struct *mm, return vma->vm_next; } -/* - * munmap_vma_range() - munmap VMAs that overlap a range. - * @mm: The mm struct - * @start: The start of the range. - * @len: The length of the range. - * @pprev: pointer to the pointer that will be set to previous vm_area_struct - * - * Find all the vm_area_struct that overlap from @start to - * @end and munmap them. Set @pprev to the previous vm_area_struct. - * - * Returns: -ENOMEM on munmap failure or 0 on success. - */ -static inline int -munmap_vma_range(struct mm_struct *mm, unsigned long start, unsigned long len, - struct vm_area_struct **pprev, struct list_head *uf) -{ - // Needs optimization. - while (range_has_overlap(mm, start, start + len, pprev)) { - if (do_munmap(mm, start, len, uf)) - return -ENOMEM; - } - return 0; -} static unsigned long count_vma_pages_range(struct mm_struct *mm, unsigned long addr, unsigned long end) {