The patch titled
Subject: mm/memory.c: use NULL instead of literal 0
has been added to the -mm tree. Its filename is
mm-fix-sparse-use-plain-integer-as-null-pointer.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-fix-sparse-use-plain-integer-as-null-pointer.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-fix-sparse-use-plain-integer-as-null-pointer.patch
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------------------------------------------------------
From: Tobin C Harding <me@xxxxxxxx>
Subject: mm/memory.c: use NULL instead of literal 0
Patch fixes sparse warning: Using plain integer as NULL pointer. Replaces
assignment of 0 to pointer with NULL assignment.
Link: http://lkml.kernel.org/r/1485992240-10986-2-git-send-email-me@xxxxxxxx
Signed-off-by: Tobin C Harding <me@xxxxxxxx>
Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/memory.c~mm-fix-sparse-use-plain-integer-as-null-pointer mm/memory.c
--- a/mm/memory.c~mm-fix-sparse-use-plain-integer-as-null-pointer
+++ a/mm/memory.c
@@ -2920,7 +2920,7 @@ static int pte_alloc_one_map(struct vm_f
atomic_long_inc(&vma->vm_mm->nr_ptes);
pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte);
spin_unlock(vmf->ptl);
- vmf->prealloc_pte = 0;
+ vmf->prealloc_pte = NULL;
} else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd, vmf->address))) {
return VM_FAULT_OOM;
}
@@ -2968,7 +2968,7 @@ static void deposit_prealloc_pte(struct
* count that as nr_ptes.
*/
atomic_long_inc(&vma->vm_mm->nr_ptes);
- vmf->prealloc_pte = 0;
+ vmf->prealloc_pte = NULL;
}
static int do_set_pmd(struct vm_fault *vmf, struct page *page)
@@ -3374,7 +3374,7 @@ static int do_fault(struct vm_fault *vmf
/* preallocated pagetable is unused: free it */
if (vmf->prealloc_pte) {
pte_free(vma->vm_mm, vmf->prealloc_pte);
- vmf->prealloc_pte = 0;
+ vmf->prealloc_pte = NULL;
}
return ret;
}
_
Patches currently in -mm which might be from me@xxxxxxxx are
mm-fix-sparse-use-plain-integer-as-null-pointer.patch
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