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bh=XmP3TyT8TdEGRL7DCj8hNBlSkCF/pqykHtlplsm+ulI=; b=uzeKq0JiLJq/lf5+FdtIGtaSEh /qLx+dtz30R0tydv14iPN5a6eYwnNu+625qAa4kbxdKu/9s7zQWLB9Vx+7UHYPDKqDCScXs0S3bWm DtJ61hBR8AmOriy2D1djaLDxLDetigt0efdx/cGbamRVVB4RRmaTWbjl0JoU1c4tTQhNSJ3zKPTlR 41V/kJRRXvQ4u+6SF/YQM6K6vaNl7/HVy2iZlSRsYnLqRSoeHJuLgM527eLCODZ2Z75x4YTsBaDva vHTjMnuUtAESctAM3lQEz5gLRd9fZT2o7k4U5vLgV0HFm1FBsg9nVY9UPvr3NoIMjc0iJ/eIz2bAZ YtPDL1pw==; Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tp9yg-0000000DklD-3xvN; Mon, 03 Mar 2025 17:53:38 +0000 From: "Matthew Wilcox (Oracle)" To: David Howells Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 0/6] ITER_XARRAY cleanups and consequences Date: Mon, 3 Mar 2025 17:53:10 +0000 Message-ID: <20250303175317.3277891-1-willy@infradead.org> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 7A8DB40007 X-Rspam-User: X-Stat-Signature: e5stztrz85aahn1e6cknzx4xge5165wy X-HE-Tag: 1741024592-184727 X-HE-Meta: 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 n0nujM5w mS60MgZXY6mNmOCdWKhmKtW75dDxqS0cP9bckcg9zcpNogzCvCmPXk0DHXJNp0VGHOsNlEAYTMqJNG0VuObcjRebHbGzAQ1JM7AJ9Hz2EP8rmoEwlTwoxcYlhpsezW5Ej4Hzt8KTyXZfd7fIz3XN/pnqS90uSt7M7bqqYtN4H07N8MkQ11mzVZF9W5dtpqDwiL/aK/lke/EWb2wFt5scPGWbTycx6xx4Za5vz 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: iov_iter currently extracts pages from the xarray when only folios have been stored there. This needs to be fixed before we can separate struct folio from struct page. __readahead_batch() is in the same situation, and converting all three of these places lets us remove find_subpage() and thp_nr_pages(). Removing readahead_page_batch() isn't particularly related to these changes, but it may as well go in with this batch. Matthew Wilcox (Oracle) (6): iov_iter: Convert iter_xarray_populate_pages() to use folios iov_iter: Convert iov_iter_extract_xarray_pages() to use folios pagemap: Remove find_subpage() filemap: Convert __readahead_batch() to use a folio pagemap: Remove readahead_page_batch() mm: Delete thp_nr_pages() include/linux/mm.h | 9 --------- include/linux/pagemap.h | 40 ++++++---------------------------------- lib/iov_iter.c | 30 +++++++++++++++--------------- 3 files changed, 21 insertions(+), 58 deletions(-)