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bh=eMg9F/xqCrVT+AB0waVn//uqW7SETlXSJS0RCebrHew=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eJOOzQXmgJSLiT61SaG2LjLNZLUitWzRxA1muWKM2EZSCE1df8lSz2OlcmfAMzU0j 4lvgi0vA/p9GzX7OQfEWjgXikDCkEBFtEFFlDYWprEoGNukqOssZe0jDrPZZV93Dmu ahRGPh8P/8+Jr+tfxIgZCraGbJVMKQ/9nLDfJYBc= From: Dev Jain To: akpm@linux-foundation.org, chrisl@kernel.org, kasong@tencent.com, liam@infradead.org, ljs@kernel.org Cc: Dev Jain , shikemeng@huaweicloud.com, nphamcs@gmail.com, baoquan.he@linux.dev, baohua@kernel.org, youngjun.park@lge.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, vbabka@kernel.org, jannh@google.com, pfalcato@suse.de, ryan.roberts@arm.com, anshuman.khandual@arm.com, david@kernel.org Subject: [PATCH 2/2] mm/mprotect: drop 'sub' from batching context Date: Tue, 23 Jun 2026 12:57:22 +0000 Message-ID: <20260623125723.2503832-3-dev.jain@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260623125723.2503832-1-dev.jain@arm.com> References: <20260623125723.2503832-1-dev.jain@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 96EDA40008 X-Stat-Signature: 1556is5dsfjtkad44ohhouu3qf6ftk1d X-Rspam-User: X-Rspamd-Server: rspam03 X-HE-Tag: 1782219469-575624 X-HE-Meta: U2FsdGVkX1+RRO6VOSPRf52L0luHESeQR+sroS7e/1RWGT7kXep4HUXuZLR0+nLjwCAROPnv2xgEksicHzov0rcd2TpnY0TTVls4zBD3aUtKWIAUp1wC7A6xTx+U/sw7jECUvn4O/jqj8ymJRQB3aRJMPlsKEji/Wau7YTQySy57/nc3NUxO0GZLwMAphl2D7uTV28U9s3UK3FR5o286+Mka8k6G4PbOfTIgKBDR977sv6QBdTiB+Rct0Jny3XrMz3zeYEmq2sT8AA44ebbaQ+acp4XOvZ65/oLBTdUAnXoenJ59xn4D/h7X2SMb3eyqZlX3WaG7+HjDrn3crTH0Bowh4L7HCb8hezZ4DTmRkA2knMvak4jh0xxVCXbHpTbpnZI/409eRt5c7Vt37d786jiZHiyqlJCKcMXalC8V8BvIdgyWFAf+BpIAAtEUMbVUvYxEGEhqsrT7zf8QKbeVRpQOBiZfqhr+0slqs+Mn8lqaXdj7H1exUnresbXuZtm0PkLNe33zimT/GR5JENCP3SXqP5SSwso//vW0h/2KMdsoYqy5naCdS2yuXiOm5rtu5/ICibMNgNSr4B88qjEnXToksTCLsaUvY8EW5kn0bR1DVW50p6P8Bjjfuukdfw1F/CxmJ52Lv02I0iAqgDa53LaWAnhuNRIMSkxNgxtBufr4oEf9As0i/YG/EtjKeGAyrja+FQ2QOi3R6LfvYGELu/K6pYPU+pfXJJYQhLirUYbgQ+pijUSkcfXIyrZ6Xmb8fbndC7Hhgh/oS6gdFWxbo0Rl947a0/DY/02yTIsyLk3AmcdMdUh82vm9/vWPYmY8iZFtxogY+n2OfF0CsLDWQPzf39z8nGPCFDhE4BgGsNPDJiRQX9ZUvuocwOOpprc2G/1SGkTlqS9AV/QqKAmvGjO7Dorm9sRzL1f6KvzZUnP4Ht6FPGBEXm29GrDqjNa1v4yD1xONZqgxdabL5lk grf+6b/r 0VRGeC0nrwJviFplQwN8DZYA+tDAUTHPrakSH+g+lnfrqpEH+G/Zacfr6v/SO7CvjZ9QxMI/Zt1tUVUKEEv/8tB03oXELvRDW52swPOJnyVCqffLzZ2nt3PETk7jvqzaqH+Rp35qdhTLBIGhuDS/7jPVZEEowCax4Js1ciL7zRKK9rzK5cqPkRk0XCpzLcCJVOVr4V1mo3I/tgehfqNZ4fQvMYDnLQOUBDkuXAsJSCiP5nhSWDqTY28GbYw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Shorten the name of page_anon_exclusive_sub_batch by dropping the "sub-batch" context - the function itself doesn't need this context. Similarly, drop "sub" from sub_batch_idx, it is unnecessary and the usage is clear enough. Signed-off-by: Dev Jain --- mm/mprotect.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/mm/mprotect.c b/mm/mprotect.c index 9cbf932b028cf..c0f5ab74bee23 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -143,7 +143,7 @@ static __always_inline void prot_commit_flush_ptes(struct vm_area_struct *vma, * !PageAnonExclusive() pages, starting from start_idx. Caller must enforce * that the ptes point to consecutive pages of the same anon large folio. */ -static __always_inline int page_anon_exclusive_sub_batch(int start_idx, int max_len, +static __always_inline int page_anon_exclusive_batch(int start_idx, int max_len, struct page *first_page, bool expected_anon_exclusive) { int idx; @@ -174,16 +174,16 @@ static __always_inline void commit_anon_folio_batch(struct vm_area_struct *vma, pte_t oldpte, pte_t ptent, int nr_ptes, struct mmu_gather *tlb) { bool expected_anon_exclusive; - int sub_batch_idx = 0; + int batch_idx = 0; int len; while (nr_ptes) { - expected_anon_exclusive = PageAnonExclusive(first_page + sub_batch_idx); - len = page_anon_exclusive_sub_batch(sub_batch_idx, nr_ptes, + expected_anon_exclusive = PageAnonExclusive(first_page + batch_idx); + len = page_anon_exclusive_batch(batch_idx, nr_ptes, first_page, expected_anon_exclusive); prot_commit_flush_ptes(vma, addr, ptep, oldpte, ptent, len, - sub_batch_idx, expected_anon_exclusive, tlb); - sub_batch_idx += len; + batch_idx, expected_anon_exclusive, tlb); + batch_idx += len; nr_ptes -= len; } } -- 2.43.0