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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2018-04-16 16:57:20 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-05-15 22:29:11 +1000 |
| commit | 1c7ec8a40aa7796a5a996bd985899c93dacaaa35 (patch) | |
| tree | b5f5e37f8bd3beb644ff28255724a18d22ffcd9c /arch/powerpc/include/asm/book3s/64/mmu.h | |
| parent | 702346768c68a95be29f5819e8445a3eff30dac0 (diff) | |
| download | linux-0-day-1c7ec8a40aa7796a5a996bd985899c93dacaaa35.tar.gz linux-0-day-1c7ec8a40aa7796a5a996bd985899c93dacaaa35.tar.xz | |
powerpc/mm/book3s64/4k: Switch 4k pagesize config to use pagetable fragment
4K config use one full page at level 4 of the pagetable. Add support for single
fragment allocation in pagetable fragment code and and use that for 4K config.
This makes both 4k and 64k use the same code path. Later we will switch pmd to
use the page table fragment code. This is done only for 64bit platforms which
is using page table fragment support.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/mmu.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/mmu.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 5094696eecd6d..fde7803a2261c 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -134,10 +134,10 @@ typedef struct { #ifdef CONFIG_PPC_SUBPAGE_PROT struct subpage_prot_table spt; #endif /* CONFIG_PPC_SUBPAGE_PROT */ -#ifdef CONFIG_PPC_64K_PAGES - /* for 4K PTE fragment support */ + /* + * pagetable fragment support + */ void *pte_frag; -#endif #ifdef CONFIG_SPAPR_TCE_IOMMU struct list_head iommu_group_mem_list; #endif |