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Tue, 03 Dec 2024 07:32:47 -0800 (PST) From: Jens Axboe To: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Cc: hannes@cmpxchg.org, clm@meta.com, linux-kernel@vger.kernel.org, willy@infradead.org, kirill@shutemov.name, bfoster@redhat.com, Jens Axboe Subject: [PATCH 02/12] mm/readahead: add folio allocation helper Date: Tue, 3 Dec 2024 08:31:38 -0700 Message-ID: <20241203153232.92224-4-axboe@kernel.dk> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241203153232.92224-2-axboe@kernel.dk> References: <20241203153232.92224-2-axboe@kernel.dk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Just a wrapper around filemap_alloc_folio() for now, but add it in preparation for modifying the folio based on the 'ractl' being passed in. No functional changes in this patch. Signed-off-by: Jens Axboe --- mm/readahead.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/mm/readahead.c b/mm/readahead.c index 8f1cf599b572..8424bf1b67e2 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -188,6 +188,12 @@ static void read_pages(struct readahead_control *rac) BUG_ON(readahead_count(rac)); } =20 +static struct folio *ractl_alloc_folio(struct readahead_control *ractl, + gfp_t gfp_mask, unsigned int order) +{ + return filemap_alloc_folio(gfp_mask, order); +} + /** * page_cache_ra_unbounded - Start unchecked readahead. * @ractl: Readahead control. @@ -265,8 +271,8 @@ void page_cache_ra_unbounded(struct readahead_control *= ractl, continue; } =20 - folio =3D filemap_alloc_folio(gfp_mask, - mapping_min_folio_order(mapping)); + folio =3D ractl_alloc_folio(ractl, gfp_mask, + mapping_min_folio_order(mapping)); if (!folio) break; =20 @@ -436,7 +442,7 @@ static inline int ra_alloc_folio(struct readahead_contr= ol *ractl, pgoff_t index, pgoff_t mark, unsigned int order, gfp_t gfp) { int err; - struct folio *folio =3D filemap_alloc_folio(gfp, order); + struct folio *folio =3D ractl_alloc_folio(ractl, gfp, order); =20 if (!folio) return -ENOMEM; @@ -751,7 +757,7 @@ void readahead_expand(struct readahead_control *ractl, if (folio && !xa_is_value(folio)) return; /* Folio apparently present */ =20 - folio =3D filemap_alloc_folio(gfp_mask, min_order); + folio =3D ractl_alloc_folio(ractl, gfp_mask, min_order); if (!folio) return; =20 @@ -780,7 +786,7 @@ void readahead_expand(struct readahead_control *ractl, if (folio && !xa_is_value(folio)) return; /* Folio apparently present */ =20 - folio =3D filemap_alloc_folio(gfp_mask, min_order); + folio =3D ractl_alloc_folio(ractl, gfp_mask, min_order); if (!folio) return; =20 --=20 2.45.2