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| author | Nicholas Piggin <npiggin@gmail.com> | 2018-03-07 11:37:10 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-03-13 23:43:05 +1100 |
| commit | 5a807e04bd2a704821f7027b06c7025c96e015f9 (patch) | |
| tree | 9fd5b6ccf8cc5a3e0a325c98d5a3b62c61c70427 /arch/powerpc/mm/slice.c | |
| parent | 1753dd1830367709144f68f539554dadd7a7ccba (diff) | |
| download | linux-5a807e04bd2a704821f7027b06c7025c96e015f9.tar.bz2 | |
powerpc/mm/slice: tidy lpsizes and hpsizes update loops
Make these loops look the same, and change their form so the
important part is not wrapped over so many lines.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/slice.c')
| -rw-r--r-- | arch/powerpc/mm/slice.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index 7b51f962ce0c..432c328b3e94 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -232,22 +232,24 @@ static void slice_convert(struct mm_struct *mm, struct slice_mask mask, int psiz spin_lock_irqsave(&slice_convert_lock, flags); lpsizes = mm->context.low_slices_psize; - for (i = 0; i < SLICE_NUM_LOW; i++) - if (mask.low_slices & (1u << i)) { - mask_index = i & 0x1; - index = i >> 1; - lpsizes[index] = (lpsizes[index] & - ~(0xf << (mask_index * 4))) | + for (i = 0; i < SLICE_NUM_LOW; i++) { + if (!(mask.low_slices & (1u << i))) + continue; + + mask_index = i & 0x1; + index = i >> 1; + lpsizes[index] = (lpsizes[index] & ~(0xf << (mask_index * 4))) | (((unsigned long)psize) << (mask_index * 4)); - } + } hpsizes = mm->context.high_slices_psize; for (i = 0; i < GET_HIGH_SLICE_INDEX(mm->context.slb_addr_limit); i++) { + if (!test_bit(i, mask.high_slices)) + continue; + mask_index = i & 0x1; index = i >> 1; - if (test_bit(i, mask.high_slices)) - hpsizes[index] = (hpsizes[index] & - ~(0xf << (mask_index * 4))) | + hpsizes[index] = (hpsizes[index] & ~(0xf << (mask_index * 4))) | (((unsigned long)psize) << (mask_index * 4)); } |