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authorChristophe Leroy <christophe.leroy@csgroup.eu>2023-09-25 21:31:22 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2023-10-19 09:12:44 +0300
commit81fbb9997057b6e6e5795a08d9a8e10e9f48236f (patch)
treeacaf4b9a5eec5e68b3aeff09b01e94f0878c8208 /arch/powerpc
parentd3e01796728add53ab778298573772d44d52d19c (diff)
downloadlinux-81fbb9997057b6e6e5795a08d9a8e10e9f48236f.tar.xz
powerpc/nohash: Remove {pte/pmd}_protnone()
Only book3s/64 selects ARCH_SUPPORTS_NUMA_BALANCING so CONFIG_NUMA_BALANCING can't be selected on nohash targets. Remove pte_protnone() and pmd_protnone(). Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/a50c1a19828a8eced82cbcc5c61754b667037d21.1695659959.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/nohash/pgtable.h17
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index a9056f4fad48..ab26af2b421a 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -35,23 +35,6 @@ static inline bool pte_hashpte(pte_t pte) { return false; }
static inline bool pte_ci(pte_t pte) { return pte_val(pte) & _PAGE_NO_CACHE; }
static inline bool pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC; }
-#ifdef CONFIG_NUMA_BALANCING
-/*
- * These work without NUMA balancing but the kernel does not care. See the
- * comment in include/linux/pgtable.h . On powerpc, this will only
- * work for user pages and always return true for kernel pages.
- */
-static inline int pte_protnone(pte_t pte)
-{
- return pte_present(pte) && !pte_user(pte);
-}
-
-static inline int pmd_protnone(pmd_t pmd)
-{
- return pte_protnone(pmd_pte(pmd));
-}
-#endif /* CONFIG_NUMA_BALANCING */
-
static inline int pte_present(pte_t pte)
{
return pte_val(pte) & _PAGE_PRESENT;