| Message ID | 20230321170513.2401534-3-rppt@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | mm: move core MM initialization to mm/mm_init.c | expand |
On 3/21/23 18:05, Mike Rapoport wrote: > From: "Mike Rapoport (IBM)" <rppt@kernel.org> > > Instead of duplicating long static_branch_enabled(&check_pages_enabled) > wrap it in a helper function is_check_pages_enabled() > > Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org> > Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> > --- > mm/page_alloc.c | 11 ++++++++--- > 1 file changed, 8 insertions(+), 3 deletions(-) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 87d760236dba..e1149d54d738 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -245,6 +245,11 @@ EXPORT_SYMBOL(init_on_free); > /* perform sanity checks on struct pages being allocated or freed */ > static DEFINE_STATIC_KEY_MAYBE(CONFIG_DEBUG_VM, check_pages_enabled); > > +static inline bool is_check_pages_enabled(void) > +{ > + return static_branch_unlikely(&check_pages_enabled); > +} > + > static bool _init_on_alloc_enabled_early __read_mostly > = IS_ENABLED(CONFIG_INIT_ON_ALLOC_DEFAULT_ON); > static int __init early_init_on_alloc(char *buf) > @@ -1443,7 +1448,7 @@ static __always_inline bool free_pages_prepare(struct page *page, > for (i = 1; i < (1 << order); i++) { > if (compound) > bad += free_tail_pages_check(page, page + i); > - if (static_branch_unlikely(&check_pages_enabled)) { > + if (is_check_pages_enabled()) { > if (unlikely(free_page_is_bad(page + i))) { > bad++; > continue; > @@ -1456,7 +1461,7 @@ static __always_inline bool free_pages_prepare(struct page *page, > page->mapping = NULL; > if (memcg_kmem_online() && PageMemcgKmem(page)) > __memcg_kmem_uncharge_page(page, order); > - if (static_branch_unlikely(&check_pages_enabled)) { > + if (is_check_pages_enabled()) { > if (free_page_is_bad(page)) > bad++; > if (bad) > @@ -2366,7 +2371,7 @@ static int check_new_page(struct page *page) > > static inline bool check_new_pages(struct page *page, unsigned int order) > { > - if (static_branch_unlikely(&check_pages_enabled)) { > + if (is_check_pages_enabled()) { > for (int i = 0; i < (1 << order); i++) { > struct page *p = page + i; >
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 87d760236dba..e1149d54d738 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -245,6 +245,11 @@ EXPORT_SYMBOL(init_on_free); /* perform sanity checks on struct pages being allocated or freed */ static DEFINE_STATIC_KEY_MAYBE(CONFIG_DEBUG_VM, check_pages_enabled); +static inline bool is_check_pages_enabled(void) +{ + return static_branch_unlikely(&check_pages_enabled); +} + static bool _init_on_alloc_enabled_early __read_mostly = IS_ENABLED(CONFIG_INIT_ON_ALLOC_DEFAULT_ON); static int __init early_init_on_alloc(char *buf) @@ -1443,7 +1448,7 @@ static __always_inline bool free_pages_prepare(struct page *page, for (i = 1; i < (1 << order); i++) { if (compound) bad += free_tail_pages_check(page, page + i); - if (static_branch_unlikely(&check_pages_enabled)) { + if (is_check_pages_enabled()) { if (unlikely(free_page_is_bad(page + i))) { bad++; continue; @@ -1456,7 +1461,7 @@ static __always_inline bool free_pages_prepare(struct page *page, page->mapping = NULL; if (memcg_kmem_online() && PageMemcgKmem(page)) __memcg_kmem_uncharge_page(page, order); - if (static_branch_unlikely(&check_pages_enabled)) { + if (is_check_pages_enabled()) { if (free_page_is_bad(page)) bad++; if (bad) @@ -2366,7 +2371,7 @@ static int check_new_page(struct page *page) static inline bool check_new_pages(struct page *page, unsigned int order) { - if (static_branch_unlikely(&check_pages_enabled)) { + if (is_check_pages_enabled()) { for (int i = 0; i < (1 << order); i++) { struct page *p = page + i;