[PATCH 40/94] mm/mmap: Change vm_brk_flags() to use mm_populate_vma()

Liam Howlett liam.howlett at oracle.com
Wed Apr 28 16:36:09 BST 2021


Skip searching for the vma to populate after creating it by passing in a pointer.

Signed-off-by: Liam R. Howlett <Liam.Howlett at Oracle.com>
---
 mm/mmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index 6671e34b9693..7371fbf267ed 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -3004,7 +3004,7 @@ int vm_brk_flags(unsigned long addr, unsigned long request, unsigned long flags)
 	populate = ((mm->def_flags & VM_LOCKED) != 0);
 	mmap_write_unlock(mm);
 	if (populate && !ret)
-		mm_populate(addr, len);
+		mm_populate_vma(vma, addr, addr + len);
 	return ret;
 }
 EXPORT_SYMBOL(vm_brk_flags);
-- 
2.30.2



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