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Howlett" , Lorenzo Stoakes , Matthew Wilcox , Nico Pache , Ryan Roberts , Zi Yan Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, WANG Rui Subject: [PATCH v4 1/2] huge_mm: add stubs for THP-disabled configs Date: Tue, 10 Mar 2026 11:11:37 +0800 Message-ID: <20260310031138.509730-2-r@hev.cc> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260310031138.509730-1-r@hev.cc> References: <20260310031138.509730-1-r@hev.cc> 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" hugepage_global_enabled() and hugepage_global_always() only exist when CONFIG_TRANSPARENT_HUGEPAGE is set. Add inline stubs that return false to let code compile when THP is disabled. Signed-off-by: WANG Rui --- include/linux/huge_mm.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index a4d9f964dfde..badeebd4ea98 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -570,6 +570,16 @@ void map_anon_folio_pmd_nopf(struct folio *folio, pmd_= t *pmd, =20 #else /* CONFIG_TRANSPARENT_HUGEPAGE */ =20 +static inline bool hugepage_global_enabled(void) +{ + return false; +} + +static inline bool hugepage_global_always(void) +{ + return false; +} + static inline bool folio_test_pmd_mappable(struct folio *folio) { return false; --=20 2.53.0