mm: make finish_mkwrite_fault() static

Make finish_mkwrite_fault static since it is not used outside of
memory.c.

Link: https://lkml.kernel.org/r/20231018140806.2783514-17-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 00e0874..5d6e1d7 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1348,7 +1348,6 @@ void set_pte_range(struct vm_fault *vmf, struct folio *folio,
                struct page *page, unsigned int nr, unsigned long addr);
 
 vm_fault_t finish_fault(struct vm_fault *vmf);
-vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf);
 #endif
 
 /*

diff --git a/mm/memory.c b/mm/memory.c
index 0915eac..2b6e2b2 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3269,7 +3269,7 @@ out:
  * Return: %0 on success, %VM_FAULT_NOPAGE when PTE got changed before
  * we acquired PTE lock.
  */
-vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf)
+static vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf)
 {
        WARN_ON_ONCE(!(vmf->vma->vm_flags & VM_SHARED));
        vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,