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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Hemanth Selam Subject: [PATCH] selftests/mm: remove the local PKEY_UNRESTRICTED fallback Date: Tue, 18 Aug 2026 17:19:45 +0530 Message-ID: <20260818114945.1312987-1-hemanth.selam@gmail.com> X-Mailer: git-send-email 2.43.7 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit pkey-helpers.h defines PKEY_UNRESTRICTED itself when the macro is not already known, a stopgap from when the generic definition was still under review. It has been merged since, commit 6d61527d931b ("mm/pkey: Add PKEY_UNRESTRICTED macro"), and pkey-helpers.h already includes , so the guard is never taken. Honour the FIXME and drop it. The mm selftests build against the headers of the kernel source, see Documentation/dev-tools/kselftest.rst. Building them without "make headers", against system headers predating the macro, now fails to compile instead of quietly falling back. No functional change intended. Signed-off-by: Hemanth Selam --- tools/testing/selftests/mm/pkey-helpers.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/tools/testing/selftests/mm/pkey-helpers.h b/tools/testing/selftests/mm/pkey-helpers.h index 2c377f4e9df1..626c2e1655dc 100644 --- a/tools/testing/selftests/mm/pkey-helpers.h +++ b/tools/testing/selftests/mm/pkey-helpers.h @@ -112,13 +112,6 @@ void record_pkey_malloc(void *ptr, long size, int prot); #define PKEY_MASK (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE) #endif -/* - * FIXME: Remove once the generic PKEY_UNRESTRICTED definition is merged. - */ -#ifndef PKEY_UNRESTRICTED -#define PKEY_UNRESTRICTED 0x0 -#endif - #ifndef set_pkey_bits static inline u64 set_pkey_bits(u64 reg, int pkey, u64 flags) { -- 2.43.7