Hi Andrew,
> The patch titled
> Subject: mm: make folio_pte_batch available outside of mm/memory.c
> has been added to the -mm mm-unstable branch. Its filename is
> mm-make-folio_pte_batch-available-outside-of-mm-memoryc.patch
We got a build issue on NOMMU platform. Can you add the below fix?
>From 1f106e7bb72e4957d106f9f9d080599a630cb135 Mon Sep 17 00:00:00 2001
From: Barry Song <v-songbaohua@xxxxxxxx>
Date: Wed, 28 Feb 2024 13:16:17 +1300
Subject: [PATCH]
mm-make-folio_pte_batch-available-outside-of-mm-memoryc-fix.patch
Fix build on NOMMU platforms
In file included from .../mm/nommu.c:43:
.../mm/internal.h: In function '__pte_batch_clear_ignored':
.../mm/internal.h:98:23: error: implicit declaration of function 'pte_mkclean'; did you mean 'page_mkclean'? [-Werror=implicit-function-declaration]
98 | pte = pte_mkclean(pte);
| ^~~~~~~~~~~
| page_mkclean
Reported-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Barry Song <v-songbaohua@xxxxxxxx>
---
mm/internal.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/mm/internal.h b/mm/internal.h
index fa9e2f7db506..4e57680b74e1 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -83,6 +83,8 @@ static inline void *folio_raw_mapping(struct folio *folio)
return (void *)(mapping & ~PAGE_MAPPING_FLAGS);
}
+#ifdef CONFIG_MMU
+
/* Flags for folio_pte_batch(). */
typedef int __bitwise fpb_t;
@@ -172,6 +174,7 @@ static inline int folio_pte_batch(struct folio *folio, unsigned long addr,
return min(ptep - start_ptep, max_nr);
}
+#endif /* CONFIG_MMU */
void __acct_reclaim_writeback(pg_data_t *pgdat, struct folio *folio,
int nr_throttled);
--
2.34.1
