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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 26 Apr 2019 07:46:01 +0100 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3Q6k0RJ58982634 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 26 Apr 2019 06:46:00 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3AB8352057; Fri, 26 Apr 2019 06:46:00 +0000 (GMT) Received: from skywalker.linux.ibm.com (unknown [9.193.89.254]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 8A47F52054; Fri, 26 Apr 2019 06:45:58 +0000 (GMT) X-Mailer: emacs 26.1 (via feedmail 11-beta-1 Q) From: "Aneesh Kumar K.V" To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Subject: Re: [PATCH v2 09/11] powerpc/mm: define get_slice_psize() all the time In-Reply-To: <306daa20cb5b7c361b28831a190e45b16245779d.1556202029.git.christophe.leroy@c-s.fr> References: <306daa20cb5b7c361b28831a190e45b16245779d.1556202029.git.christophe.leroy@c-s.fr> Date: Fri, 26 Apr 2019 12:12:07 +0530 MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 x-cbid: 19042606-0020-0000-0000-000003365F01 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19042606-0021-0000-0000-00002188CE76 Message-Id: <87r29p9sjk.fsf@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-26_04:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904260048 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Christophe Leroy writes: > get_slice_psize() can be defined regardless of CONFIG_PPC_MM_SLICES > to avoid ifdefs > Reviewed-by: Aneesh Kumar K.V > Signed-off-by: Christophe Leroy > --- > arch/powerpc/include/asm/slice.h | 5 +++++ > arch/powerpc/mm/hugetlbpage.c | 4 +--- > 2 files changed, 6 insertions(+), 3 deletions(-) > > diff --git a/arch/powerpc/include/asm/slice.h b/arch/powerpc/include/asm/slice.h > index be8af667098f..c6f466f4c241 100644 > --- a/arch/powerpc/include/asm/slice.h > +++ b/arch/powerpc/include/asm/slice.h > @@ -36,6 +36,11 @@ void slice_setup_new_exec(void); > > static inline void slice_init_new_context_exec(struct mm_struct *mm) {} > > +static inline unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr) > +{ > + return 0; > +} > + > #endif /* CONFIG_PPC_MM_SLICES */ > > #endif /* __ASSEMBLY__ */ > diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c > index 9e732bb2c84a..5f67e7a4d1cc 100644 > --- a/arch/powerpc/mm/hugetlbpage.c > +++ b/arch/powerpc/mm/hugetlbpage.c > @@ -578,14 +578,12 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, > > unsigned long vma_mmu_pagesize(struct vm_area_struct *vma) > { > -#ifdef CONFIG_PPC_MM_SLICES > /* With radix we don't use slice, so derive it from vma*/ > - if (!radix_enabled()) { > + if (IS_ENABLED(CONFIG_PPC_MM_SLICES) && !radix_enabled()) { > unsigned int psize = get_slice_psize(vma->vm_mm, vma->vm_start); > > return 1UL << mmu_psize_to_shift(psize); > } > -#endif > return vma_kernel_pagesize(vma); > } > > -- > 2.13.3