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| author | Jakub Kicinski <kuba@kernel.org> | 2022-09-30 00:30:51 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-09-30 00:30:51 +0300 |
| commit | accc3b4a572bba903a801a393532272727f83f5b (patch) | |
| tree | b6677755ec43793d5719246f51e27f0e9d12b6c0 /arch/powerpc | |
| parent | 510bbf82f8dc36804114873d30ed1d0c8533af81 (diff) | |
| parent | 511cce163b75bc3933fa3de769a82bb7e8663f2b (diff) | |
| download | linux-accc3b4a572bba903a801a393532272727f83f5b.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/mm/book3s64/radix_pgtable.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index 698274109c91..e712f80fe189 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -937,15 +937,6 @@ pmd_t radix__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addre pmd = *pmdp; pmd_clear(pmdp); - /* - * pmdp collapse_flush need to ensure that there are no parallel gup - * walk after this call. This is needed so that we can have stable - * page ref count when collapsing a page. We don't allow a collapse page - * if we have gup taken on the page. We can ensure that by sending IPI - * because gup walk happens with IRQ disabled. - */ - serialize_against_pte_lookup(vma->vm_mm); - radix__flush_tlb_collapsed_pmd(vma->vm_mm, address); return pmd; |