Excerpts from Christophe Leroy's message of May 2, 2021 5:34 pm:
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> Le 02/05/2021 à 06:56, Nicholas Piggin a écrit :
>> This reduces TLB misses by nearly 30x on a `git diff` workload on a
>> 2-node POWER9 (59,800 -> 2,100) and reduces CPU cycles by 0.54%, due
>> to vfs hashes being allocated w
Hi Nicholas,
I love your patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next]
[also build test WARNING on linus/master next-20210430]
[cannot apply to v5.12]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to
Hi Nicholas,
I love your patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next]
[also build test WARNING on linus/master next-20210430]
[cannot apply to scottwood/next v5.12]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch,
Le 02/05/2021 à 06:56, Nicholas Piggin a écrit :
This reduces TLB misses by nearly 30x on a `git diff` workload on a
2-node POWER9 (59,800 -> 2,100) and reduces CPU cycles by 0.54%, due
to vfs hashes being allocated with 2MB pages.
Acked-by: Michael Ellerman
Signed-off-by: Nicholas Piggin
-
This reduces TLB misses by nearly 30x on a `git diff` workload on a
2-node POWER9 (59,800 -> 2,100) and reduces CPU cycles by 0.54%, due
to vfs hashes being allocated with 2MB pages.
Acked-by: Michael Ellerman
Signed-off-by: Nicholas Piggin
---
This was in the -mm tree but was dropped at the las
