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| author | Peter Zijlstra <peterz@infradead.org> | 2022-10-21 13:47:29 +0200 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2022-12-15 10:37:27 -0800 |
| commit | eb780dcae02d5a71e6979aa7b8c708dea8597adf (patch) | |
| tree | 78eb2b5232da53c6f6e2acb27042cc2544f89dd2 /mm/hmm.c | |
| parent | d4a72e7fe61a1ea9ad4accf3532411ca685eaead (diff) | |
| download | lwn-eb780dcae02d5a71e6979aa7b8c708dea8597adf.tar.gz lwn-eb780dcae02d5a71e6979aa7b8c708dea8597adf.zip | |
mm: Remove pointless barrier() after pmdp_get_lockless()
pmdp_get_lockless() should itself imply any ordering required.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20221022114425.298833095%40infradead.org
Diffstat (limited to 'mm/hmm.c')
| -rw-r--r-- | mm/hmm.c | 1 |
1 files changed, 0 insertions, 1 deletions
@@ -362,7 +362,6 @@ again: * values. */ pmd = pmdp_get_lockless(pmdp); - barrier(); if (!pmd_devmap(pmd) && !pmd_trans_huge(pmd)) goto again; |