From: Yang Shi <shy828301@xxxxxxxxx> Subject: mm: memory: make numa_migrate_prep() non-static The numa_migrate_prep() will be used by huge NUMA fault as well in the following patch, make it non-static. Link: https://lkml.kernel.org/r/20210518200801.7413-3-shy828301@xxxxxxxxx Signed-off-by: Yang Shi <shy828301@xxxxxxxxx> Acked-by: Mel Gorman <mgorman@xxxxxxx> Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx> Cc: Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx> Cc: Heiko Carstens <hca@xxxxxxxxxxxxx> Cc: Huang Ying <ying.huang@xxxxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx> Cc: Zi Yan <ziy@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/internal.h | 3 +++ mm/memory.c | 5 ++--- 2 files changed, 5 insertions(+), 3 deletions(-) --- a/mm/internal.h~mm-memory-make-numa_migrate_prep-non-static +++ a/mm/internal.h @@ -672,4 +672,7 @@ int vmap_pages_range_noflush(unsigned lo void vunmap_range_noflush(unsigned long start, unsigned long end); +int numa_migrate_prep(struct page *page, struct vm_area_struct *vma, + unsigned long addr, int page_nid, int *flags); + #endif /* __MM_INTERNAL_H */ --- a/mm/memory.c~mm-memory-make-numa_migrate_prep-non-static +++ a/mm/memory.c @@ -4175,9 +4175,8 @@ static vm_fault_t do_fault(struct vm_fau return ret; } -static int numa_migrate_prep(struct page *page, struct vm_area_struct *vma, - unsigned long addr, int page_nid, - int *flags) +int numa_migrate_prep(struct page *page, struct vm_area_struct *vma, + unsigned long addr, int page_nid, int *flags) { get_page(page); _