diff options
| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-07-13 15:06:42 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-08-01 11:15:12 +1000 |
| commit | fbfa26d85418a155feacdb0f73cbf938f1027a8c (patch) | |
| tree | 342c1144e45ac898e1ea9286b0a6109267a539b7 /arch/powerpc/mm/hugetlbpage-radix.c | |
| parent | powerpc/mm/radix: Rename function and drop unused arg (diff) | |
| download | linux-dev-fbfa26d85418a155feacdb0f73cbf938f1027a8c.tar.xz linux-dev-fbfa26d85418a155feacdb0f73cbf938f1027a8c.zip | |
powerpc/mm/radix/hugetlb: Add helper for finding page size from hstate
Use the helper instead of open coding the same at multiple place
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/mm/hugetlbpage-radix.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-radix.c | 29 |
1 files changed, 7 insertions, 22 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c index 0dfa1816f0c6..1eca0deaf89b 100644 --- a/arch/powerpc/mm/hugetlbpage-radix.c +++ b/arch/powerpc/mm/hugetlbpage-radix.c @@ -5,39 +5,24 @@ #include <asm/cacheflush.h> #include <asm/machdep.h> #include <asm/mman.h> +#include <asm/tlb.h> void radix__flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr) { - unsigned long ap, shift; + int psize; struct hstate *hstate = hstate_file(vma->vm_file); - shift = huge_page_shift(hstate); - if (shift == mmu_psize_defs[MMU_PAGE_2M].shift) - ap = mmu_get_ap(MMU_PAGE_2M); - else if (shift == mmu_psize_defs[MMU_PAGE_1G].shift) - ap = mmu_get_ap(MMU_PAGE_1G); - else { - WARN(1, "Wrong huge page shift\n"); - return ; - } - radix__flush_tlb_page_psize(vma->vm_mm, vmaddr, ap); + psize = hstate_get_psize(hstate); + radix__flush_tlb_page_psize(vma->vm_mm, vmaddr, psize); } void radix__local_flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr) { - unsigned long ap, shift; + int psize; struct hstate *hstate = hstate_file(vma->vm_file); - shift = huge_page_shift(hstate); - if (shift == mmu_psize_defs[MMU_PAGE_2M].shift) - ap = mmu_get_ap(MMU_PAGE_2M); - else if (shift == mmu_psize_defs[MMU_PAGE_1G].shift) - ap = mmu_get_ap(MMU_PAGE_1G); - else { - WARN(1, "Wrong huge page shift\n"); - return ; - } - radix__local_flush_tlb_page_psize(vma->vm_mm, vmaddr, ap); + psize = hstate_get_psize(hstate); + radix__local_flush_tlb_page_psize(vma->vm_mm, vmaddr, psize); } /* |