On Thu, Aug 06, 2026 at 09:38:40AM +0100, Muhammad Usama Anjum wrote: > Later conversions use hw_pte_t in page-table checking, generic page-table > helpers, and vmalloc interfaces. Include linux/pgtable_types.h from the > headers that declare those interfaces before changing their types. > > For vmalloc.h, replace the direct asm/page.h include with > linux/pgtable_types.h. The latter includes asm/page.h, so pgprot_t remains > available. It also provides either the default alias or the opted-in > hw_pte_t wrapper.
Stand-alone header file updates are not ideal. Why cannot these changes be folded in, where hw_pte_t gets used first time ever in the above mentioned places. > > Signed-off-by: Muhammad Usama Anjum <[email protected]> > --- > Changes since RFC v1: > - Clarify that the header provides both generic hw_pte_t definitions. > --- > include/linux/page_table_check.h | 2 ++ > include/linux/pgtable.h | 1 + > include/linux/vmalloc.h | 2 +- > 3 files changed, 4 insertions(+), 1 deletion(-) > > diff --git a/include/linux/page_table_check.h > b/include/linux/page_table_check.h > index 12268a32e8be1..12ee6d16ad339 100644 > --- a/include/linux/page_table_check.h > +++ b/include/linux/page_table_check.h > @@ -7,6 +7,8 @@ > #ifndef __LINUX_PAGE_TABLE_CHECK_H > #define __LINUX_PAGE_TABLE_CHECK_H > > +#include <linux/pgtable_types.h> > + > #ifdef CONFIG_PAGE_TABLE_CHECK > #include <linux/jump_label.h> > > diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h > index 8c093c119e5a8..cf595608cc4c4 100644 > --- a/include/linux/pgtable.h > +++ b/include/linux/pgtable.h > @@ -4,6 +4,7 @@ > > #include <linux/pfn.h> > #include <asm/pgtable.h> > +#include <linux/pgtable_types.h> > > #define PMD_ORDER (PMD_SHIFT - PAGE_SHIFT) > #define PUD_ORDER (PUD_SHIFT - PAGE_SHIFT) > diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h > index aed121d729b01..b068e6ade4207 100644 > --- a/include/linux/vmalloc.h > +++ b/include/linux/vmalloc.h > @@ -8,7 +8,7 @@ > #include <linux/init.h> > #include <linux/list.h> > #include <linux/llist.h> > -#include <asm/page.h> /* pgprot_t */ > +#include <linux/pgtable_types.h> /* pgprot_t, hw_pte_t */ > #include <linux/rbtree.h> > #include <linux/overflow.h> > > -- > 2.47.3 >
