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([171.76.80.151]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71e77508562sm189349b3a.186.2024.10.14.18.34.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Oct 2024 18:34:20 -0700 (PDT) From: "Ritesh Harjani (IBM)" To: linuxppc-dev@lists.ozlabs.org Cc: kasan-dev@googlegroups.com, linux-mm@kvack.org, Marco Elver , Alexander Potapenko , Heiko Carstens , Michael Ellerman , Nicholas Piggin , Madhavan Srinivasan , Christophe Leroy , Hari Bathini , "Aneesh Kumar K . V" , Donet Tom , Pavithra Prakash , LKML , "Ritesh Harjani (IBM)" Subject: [RFC RESEND v2 07/13] book3s64/hash: Refactor hash__kernel_map_pages() function Date: Tue, 15 Oct 2024 07:03:30 +0530 Message-ID: X-Mailer: git-send-email 2.46.0 In-Reply-To: References: MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 4B16F40003 X-Stat-Signature: j6ejw3odk3tuxkungf8xohmptssqpcbs X-HE-Tag: 1728956053-608510 X-HE-Meta: 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 KvO5CRX6 8cTce1UWw8z6ehTJUb9XssBsXtzxjgcQV1awU59KL3Vokh1y3WWy7QAzMCtaR4HZFXD/A0CQFPdVpQFss6roFbkhOK/I6IOajUJO2LJh11zLW7hgLKxSF5DjjlGTxP3Dhag5TksBtQjsnLPyxxNvlwTl/C8sGfIyJ9Jy04S0FaAwqYsI3SRY6te8Nu004oc3MdMzrYGfoXJEAIZPzIB1Bb0MsYFLCInyDbX9m8ZwGBpnM8z/qI+H2qm87viKqeVjodvJ9CAS3Y0cvtD7Wihm2pqI9MCxHClxMUwYmkr8/4q5L2WakGyxv5k8+qfNHAoxSec2oxFG80P6PTnSq32vD0E+srQ== 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: List-Subscribe: List-Unsubscribe: This refactors hash__kernel_map_pages() function to call hash_debug_pagealloc_map_pages(). This will come useful when we will add kfence support. No functionality changes in this patch. Signed-off-by: Ritesh Harjani (IBM) --- arch/powerpc/mm/book3s64/hash_utils.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index 030c120d1399..da9b089c8e8b 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -349,7 +349,8 @@ static inline void hash_debug_pagealloc_add_slot(phys_addr_t paddr, int slot) linear_map_hash_slots[paddr >> PAGE_SHIFT] = slot | 0x80; } -int hash__kernel_map_pages(struct page *page, int numpages, int enable) +static int hash_debug_pagealloc_map_pages(struct page *page, int numpages, + int enable) { unsigned long flags, vaddr, lmi; int i; @@ -368,6 +369,12 @@ int hash__kernel_map_pages(struct page *page, int numpages, int enable) local_irq_restore(flags); return 0; } + +int hash__kernel_map_pages(struct page *page, int numpages, int enable) +{ + return hash_debug_pagealloc_map_pages(page, numpages, enable); +} + #else /* CONFIG_DEBUG_PAGEALLOC */ int hash__kernel_map_pages(struct page *page, int numpages, int enable)