| Message ID | 20240122194200.381241-7-david@redhat.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show
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Rao" <naveen.n.rao@linux.ibm.com>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Alexander Gordeev <agordeev@linux.ibm.com>, Gerald Schaefer <gerald.schaefer@linux.ibm.com>, Heiko Carstens <hca@linux.ibm.com>, Vasily Gorbik <gor@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Sven Schnelle <svens@linux.ibm.com>, "David S. Miller" <davem@davemloft.net>, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org Subject: [PATCH v1 06/11] sparc/pgtable: define PFN_PTE_SHIFT Date: Mon, 22 Jan 2024 20:41:55 +0100 Message-ID: <20240122194200.381241-7-david@redhat.com> In-Reply-To: <20240122194200.381241-1-david@redhat.com> References: <20240122194200.381241-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 80E2820008 X-Stat-Signature: kadrko1hboid8gtsw5axsd3zp1hjd8b6 X-HE-Tag: 1705952567-604871 X-HE-Meta: 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 Y49JHPhn +G15Qk92A0DIpaOp/sOhmKAJxdWL2jxyEEtS7IrY5FTlZoM2Hi76y/UG1PtlIUrtHoKg5wVRl7kmSbJcERCtOyLeo0lxO0wYtYPuo2Zk6qILgs+0Kq4BVWuVDxZFO7iLxDqfjjDAj9QeIRD/A5b1B4q+coIQOrysDV8brf++O9ucIXJLjw3LKX2aj9wJpn+0DFDR3W0BjvVZC6tU5cYABCwInobmjIeYuCFgj 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: <linux-mm.kvack.org> List-Subscribe: <mailto:majordomo@kvack.org> List-Unsubscribe: <mailto:majordomo@kvack.org> |
| Series |
mm/memory: optimize fork() with PTE-mapped THP
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expand
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diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index a8c871b7d7860..652af9d63fa29 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -929,6 +929,8 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, maybe_tlb_batch_add(mm, addr, ptep, orig, fullmm, PAGE_SHIFT); } +#define PFN_PTE_SHIFT PAGE_SHIFT + static inline void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr) {
We want to make use of pte_next_pfn() outside of set_ptes(). Let's simpliy define PFN_PTE_SHIFT, required by pte_next_pfn(). Signed-off-by: David Hildenbrand <david@redhat.com> --- arch/sparc/include/asm/pgtable_64.h | 2 ++ 1 file changed, 2 insertions(+)