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>
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 __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);
extern void pagetypeinfo_showmixedcount_print(struct seq_file *m,
pg_data_t *pgdat, struct zone *zone);
if (static_branch_unlikely(&page_owner_inited))
__set_page_owner_migrate_reason(page, 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);
{
if (static_branch_unlikely(&page_owner_inited))
__dump_page_owner(page);
static inline void set_page_owner_migrate_reason(struct page *page, int reason)
{
}
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 */
{
}
#endif /* CONFIG_PAGE_OWNER */
-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;
{
struct page_ext *page_ext = lookup_page_ext(page);
struct page_owner *page_owner;