linux-kernel - [PATCH mm-unstable 05/17] mm: arc: Use generic_mmap

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Message-ID: <20241210024119.2488608-6-kaleshsingh@google.com>
Date: Mon,  9 Dec 2024 18:41:07 -0800
From: Kalesh Singh <kaleshsingh@...gle.com>
To: akpm@...ux-foundation.org, vbabka@...e.cz, yang@...amperecomputing.com, 
	riel@...riel.com, david@...hat.com
Cc: linux@...linux.org.uk, tsbogend@...ha.franken.de, 
	James.Bottomley@...senPartnership.com, ysato@...rs.sourceforge.jp, 
	dalias@...c.org, glaubitz@...sik.fu-berlin.de, davem@...emloft.net, 
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	jcmvbkbc@...il.com, bhelgaas@...gle.com, jason.andryuk@....com, 
	leitao@...ian.org, linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-snps-arc@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
	linux-csky@...r.kernel.org, loongarch@...ts.linux.dev, 
	linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org, 
	linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org, 
	linux-sh@...r.kernel.org, sparclinux@...r.kernel.org, linux-mm@...ck.org, 
	kernel-team@...roid.com, android-mm@...gle.com, 
	Kalesh Singh <kaleshsingh@...gle.com>
Subject: [PATCH mm-unstable 05/17] mm: arc: Use generic_mmap_hint()

Use generic_mmap_hint() in arch arch_get_unmapped_area().

Signed-off-by: Kalesh Singh <kaleshsingh@...gle.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