Re: [PATCH v2 08/14] mm: call {ptlock,pgtable}_cache_init() directly from mm_core_init()

From: David Hildenbrand
Date: Wed Mar 22 2023 - 07:19:46 EST


On 22.03.23 11:08, Mike Rapoport wrote:
On Wed, Mar 22, 2023 at 12:06:18PM +0300, Sergei Shtylyov wrote:
On 3/21/23 8:05 PM, Mike Rapoport wrote:

From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>

and drop pgtable_init() as it has no real value and it's name is

Its name.

oops :)

Andrew, can you replace this patch with the updated version, please?
From 52420723c9bfa84aa48f666330e96f9e5b2f3248 Mon Sep 17 00:00:00 2001
From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>
Date: Sat, 18 Mar 2023 13:55:28 +0200
Subject: [PATCH v3] mm: call {ptlock,pgtable}_cache_init() directly from
mm_core_init()

and drop pgtable_init() as it has no real value and its name is
misleading.

Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
---
include/linux/mm.h | 6 ------
mm/mm_init.c | 3 ++-
2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 2d7f095136fc..c3c67d8bc833 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2782,12 +2782,6 @@ static inline bool ptlock_init(struct page *page) { return true; }
static inline void ptlock_free(struct page *page) {}
#endif /* USE_SPLIT_PTE_PTLOCKS */
-static inline void pgtable_init(void)
-{
- ptlock_cache_init();
- pgtable_cache_init();
-}
-
static inline bool pgtable_pte_page_ctor(struct page *page)
{
if (!ptlock_init(page))
diff --git a/mm/mm_init.c b/mm/mm_init.c
index bba73f1fb277..f1475413394d 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -2584,7 +2584,8 @@ void __init mm_core_init(void)
*/
page_ext_init_flatmem_late();
kmemleak_init();
- pgtable_init();
+ ptlock_cache_init();
+ pgtable_cache_init();
debug_objects_mem_init();
vmalloc_init();
/* If no deferred init page_ext now, as vmap is fully initialized */

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Thanks,

David / dhildenb