From 104c49d5b6dc8b38aea0cb7300068b378cf37ac1 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Tue, 25 Jul 2023 00:37:54 +0530 Subject: powerpc/mm/trace: convert trace event to trace event class A follow-up patch will add a pud variant for this same event. Using event class makes that addition simpler. No functional change in this patch. Link: https://lkml.kernel.org/r/20230724190759.483013-9-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V Reviewed-by: Christophe Leroy Cc: Catalin Marinas Cc: Dan Williams Cc: Joao Martins Cc: Michael Ellerman Cc: Mike Kravetz Cc: Muchun Song Cc: Nicholas Piggin Cc: Oscar Salvador Cc: Will Deacon Signed-off-by: Andrew Morton --- include/trace/events/thp.h | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) (limited to 'include/trace') diff --git a/include/trace/events/thp.h b/include/trace/events/thp.h index 202b3e3e67ff..a95c78b10561 100644 --- a/include/trace/events/thp.h +++ b/include/trace/events/thp.h @@ -8,25 +8,29 @@ #include #include -TRACE_EVENT(hugepage_set_pmd, +DECLARE_EVENT_CLASS(hugepage_set, - TP_PROTO(unsigned long addr, unsigned long pmd), - TP_ARGS(addr, pmd), + TP_PROTO(unsigned long addr, unsigned long pte), + TP_ARGS(addr, pte), TP_STRUCT__entry( __field(unsigned long, addr) - __field(unsigned long, pmd) + __field(unsigned long, pte) ), TP_fast_assign( __entry->addr = addr; - __entry->pmd = pmd; + __entry->pte = pte; ), - TP_printk("Set pmd with 0x%lx with 0x%lx", __entry->addr, __entry->pmd) + TP_printk("Set page table entry with 0x%lx with 0x%lx", __entry->addr, __entry->pte) ); +DEFINE_EVENT(hugepage_set, hugepage_set_pmd, + TP_PROTO(unsigned long addr, unsigned long pmd), + TP_ARGS(addr, pmd) +); -TRACE_EVENT(hugepage_update, +DECLARE_EVENT_CLASS(hugepage_update, TP_PROTO(unsigned long addr, unsigned long pte, unsigned long clr, unsigned long set), TP_ARGS(addr, pte, clr, set), @@ -48,6 +52,11 @@ TRACE_EVENT(hugepage_update, TP_printk("hugepage update at addr 0x%lx and pte = 0x%lx clr = 0x%lx, set = 0x%lx", __entry->addr, __entry->pte, __entry->clr, __entry->set) ); +DEFINE_EVENT(hugepage_update, hugepage_update_pmd, + TP_PROTO(unsigned long addr, unsigned long pmd, unsigned long clr, unsigned long set), + TP_ARGS(addr, pmd, clr, set) +); + DECLARE_EVENT_CLASS(migration_pmd, TP_PROTO(unsigned long addr, unsigned long pmd), -- cgit From 27af67f35631ac4b61b5e4455b44c9aee8d2cc4b Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Tue, 25 Jul 2023 00:37:55 +0530 Subject: powerpc/book3s64/mm: enable transparent pud hugepage This is enabled only with radix translation and 1G hugepage size. This will be used with devdax device memory with a namespace alignment of 1G. Anon transparent hugepage is not supported even though we do have helpers checking pud_trans_huge(). We should never find that return true. The only expected pte bit combination is _PAGE_PTE | _PAGE_DEVMAP. Some of the helpers are never expected to get called on hash translation and hence is marked to call BUG() in such a case. Link: https://lkml.kernel.org/r/20230724190759.483013-10-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V Cc: Catalin Marinas Cc: Christophe Leroy Cc: Dan Williams Cc: Joao Martins Cc: Michael Ellerman Cc: Mike Kravetz Cc: Muchun Song Cc: Nicholas Piggin Cc: Oscar Salvador Cc: Will Deacon Signed-off-by: Andrew Morton --- include/trace/events/thp.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/trace') diff --git a/include/trace/events/thp.h b/include/trace/events/thp.h index a95c78b10561..f50048af5fcc 100644 --- a/include/trace/events/thp.h +++ b/include/trace/events/thp.h @@ -30,6 +30,11 @@ DEFINE_EVENT(hugepage_set, hugepage_set_pmd, TP_ARGS(addr, pmd) ); +DEFINE_EVENT(hugepage_set, hugepage_set_pud, + TP_PROTO(unsigned long addr, unsigned long pud), + TP_ARGS(addr, pud) +); + DECLARE_EVENT_CLASS(hugepage_update, TP_PROTO(unsigned long addr, unsigned long pte, unsigned long clr, unsigned long set), @@ -57,6 +62,11 @@ DEFINE_EVENT(hugepage_update, hugepage_update_pmd, TP_ARGS(addr, pmd, clr, set) ); +DEFINE_EVENT(hugepage_update, hugepage_update_pud, + TP_PROTO(unsigned long addr, unsigned long pud, unsigned long clr, unsigned long set), + TP_ARGS(addr, pud, clr, set) +); + DECLARE_EVENT_CLASS(migration_pmd, TP_PROTO(unsigned long addr, unsigned long pmd), -- cgit