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authorChristophe Leroy <christophe.leroy@c-s.fr>2018-11-29 15:07:01 +0100
committerMichael Ellerman <mpe@ellerman.id.au>2018-12-04 09:45:01 +0100
commit32ea4c14999006fea541b5f78d008fffc1656849 (patch)
tree5f3a1af0e2a9ec621d1bfebd7e8eb51446810d07 /arch/powerpc/include/asm/pgtable.h
parentpowerpc/mm: add helpers to get/set mm.context->pte_frag (diff)
downloadlinux-32ea4c14999006fea541b5f78d008fffc1656849.tar.xz
linux-32ea4c14999006fea541b5f78d008fffc1656849.zip
powerpc/mm: Extend pte_fragment functionality to PPC32
In order to allow the 8xx to handle pte_fragments, this patch extends the use of pte_fragments to PPC32 platforms. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/pgtable.h')
-rw-r--r--arch/powerpc/include/asm/pgtable.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index 314a2890a972..56ef5437eb2f 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -125,6 +125,10 @@ static inline void pte_frag_set(mm_context_t *ctx, void *p)
ctx->pte_frag = p;
}
#else
+#define PTE_FRAG_NR 1
+#define PTE_FRAG_SIZE_SHIFT PAGE_SHIFT
+#define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT)
+
static inline void *pte_frag_get(mm_context_t *ctx)
{
return NULL;