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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-06-29 04:41:16 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 19:53:53 +0200 |
| commit | 8bf6f451bded5db7840b3b2932ef48be5dce6b38 (patch) | |
| tree | 2a9fdbbdfdb0a3556531f0dc3c486802014abeb8 | |
| parent | mm/debug: factor PagePoisoned out of __dump_page (diff) | |
| download | linux-8bf6f451bded5db7840b3b2932ef48be5dce6b38.tar.xz linux-8bf6f451bded5db7840b3b2932ef48be5dce6b38.zip | |
mm/page_owner: constify dump_page_owner
dump_page_owner() only uses struct page to find the page_ext, and
lookup_page_ext() already takes a const argument.
Link: https://lkml.kernel.org/r/20210416231531.2521383-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/page_owner.h | 6 | ||||
| -rw-r--r-- | mm/page_owner.c | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h index 3468794f83d2..719bfe5108c5 100644 --- a/include/linux/page_owner.h +++ b/include/linux/page_owner.h @@ -14,7 +14,7 @@ extern void __set_page_owner(struct page *page, extern void __split_page_owner(struct page *page, unsigned int nr); extern void __copy_page_owner(struct page *oldpage, struct page *newpage); extern void __set_page_owner_migrate_reason(struct page *page, int reason); -extern void __dump_page_owner(struct page *page); +extern void __dump_page_owner(const struct page *page); extern void pagetypeinfo_showmixedcount_print(struct seq_file *m, pg_data_t *pgdat, struct zone *zone); @@ -46,7 +46,7 @@ static inline void set_page_owner_migrate_reason(struct page *page, int reason) if (static_branch_unlikely(&page_owner_inited)) __set_page_owner_migrate_reason(page, reason); } -static inline void dump_page_owner(struct page *page) +static inline void dump_page_owner(const struct page *page) { if (static_branch_unlikely(&page_owner_inited)) __dump_page_owner(page); @@ -69,7 +69,7 @@ static inline void copy_page_owner(struct page *oldpage, struct page *newpage) static inline void set_page_owner_migrate_reason(struct page *page, int reason) { } -static inline void dump_page_owner(struct page *page) +static inline void dump_page_owner(const struct page *page) { } #endif /* CONFIG_PAGE_OWNER */ diff --git a/mm/page_owner.c b/mm/page_owner.c index adfabb560eb9..f51a57e92aa3 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -392,7 +392,7 @@ err: return -ENOMEM; } -void __dump_page_owner(struct page *page) +void __dump_page_owner(const struct page *page) { struct page_ext *page_ext = lookup_page_ext(page); struct page_owner *page_owner; |