[PATCH mm-unstable 05/17] mm: arc: Use generic_mmap_hint()

Kalesh Singh kaleshsingh at google.com
Mon Dec 9 18:41:07 PST 2024


Use generic_mmap_hint() in arch arch_get_unmapped_area().

Signed-off-by: Kalesh Singh <kaleshsingh at google.com>
---
 arch/arc/mm/mmap.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/arch/arc/mm/mmap.c b/arch/arc/mm/mmap.c
index 2185afe8d59f..6b1fcea06779 100644
--- a/arch/arc/mm/mmap.c
+++ b/arch/arc/mm/mmap.c
@@ -27,7 +27,6 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
 		unsigned long flags, vm_flags_t vm_flags)
 {
 	struct mm_struct *mm = current->mm;
-	struct vm_area_struct *vma;
 	struct vm_unmapped_area_info info = {};
 
 	/*
@@ -43,14 +42,9 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
 	if (len > TASK_SIZE)
 		return -ENOMEM;
 
-	if (addr) {
-		addr = PAGE_ALIGN(addr);
-
-		vma = find_vma(mm, addr);
-		if (TASK_SIZE - len >= addr &&
-		    (!vma || addr + len <= vm_start_gap(vma)))
-			return addr;
-	}
+	addr = generic_mmap_hint(filp, addr, len, pgoff, flags);
+	if (addr)
+		return addr;
 
 	info.length = len;
 	info.low_limit = mm->mmap_base;
-- 
2.47.0.338.g60cca15819-goog




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