From: Christoph Hellwig <hch@lst.de>
To: akpm@linux-foundation.org
Cc: joelaf@google.com, jszhang@marvell.com, chris@chris-wilson.co.uk,
	joaodias@google.com, linux-mm@kvack.org,
	linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/7] mm: remove free_unmap_vmap_area_addr
Date: Sat, 22 Oct 2016 17:17:15 +0200	[thread overview]
Message-ID: <1477149440-12478-3-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1477149440-12478-1-git-send-email-hch@lst.de>
Just inline it into the only caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Jisheng Zhang <jszhang@marvell.com>
---
 mm/vmalloc.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 45de736..cf1a5ab 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -731,16 +731,6 @@ static struct vmap_area *find_vmap_area(unsigned long addr)
 	return va;
 }
 
-static void free_unmap_vmap_area_addr(unsigned long addr)
-{
-	struct vmap_area *va;
-
-	va = find_vmap_area(addr);
-	BUG_ON(!va);
-	free_unmap_vmap_area(va);
-}
-
-
 /*** Per cpu kva allocator ***/
 
 /*
@@ -1098,6 +1088,7 @@ void vm_unmap_ram(const void *mem, unsigned int count)
 {
 	unsigned long size = (unsigned long)count << PAGE_SHIFT;
 	unsigned long addr = (unsigned long)mem;
+	struct vmap_area *va;
 
 	BUG_ON(!addr);
 	BUG_ON(addr < VMALLOC_START);
@@ -1107,10 +1098,14 @@ void vm_unmap_ram(const void *mem, unsigned int count)
 	debug_check_no_locks_freed(mem, size);
 	vmap_debug_free_range(addr, addr+size);
 
-	if (likely(count <= VMAP_MAX_ALLOC))
+	if (likely(count <= VMAP_MAX_ALLOC)) {
 		vb_free(mem, size);
-	else
-		free_unmap_vmap_area_addr(addr);
+		return;
+	}
+
+	va = find_vmap_area(addr);
+	BUG_ON(!va);
+	free_unmap_vmap_area(va);
 }
 EXPORT_SYMBOL(vm_unmap_ram);
 
-- 
2.1.4
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next prev parent reply	other threads:[~2016-10-22 15:17 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-22 15:17 reduce latency in __purge_vmap_area_lazy Christoph Hellwig
2016-10-22 15:17 ` [PATCH 1/7] mm: remove free_unmap_vmap_area_noflush Christoph Hellwig
2016-10-22 15:17 ` Christoph Hellwig [this message]
2016-10-22 15:17 ` [PATCH 3/7] mm: refactor __purge_vmap_area_lazy Christoph Hellwig
2016-10-22 15:17 ` [PATCH 4/7] mm: defer vmalloc from atomic context Christoph Hellwig
2016-10-24 15:44   ` Andrey Ryabinin
2016-11-05  3:43     ` Joel Fernandes
2016-11-07 15:01       ` Andrey Ryabinin
2016-11-07 15:09         ` Christoph Hellwig
2016-11-08 15:03           ` Andrey Ryabinin
2016-11-08 15:05           ` [PATCH 1/3] mm/vmalloc: add vfree_atomic() Andrey Ryabinin
2016-11-08 15:05             ` [PATCH 2/3] kernel/fork: use vfree_atomic() to free thread stack Andrey Ryabinin
2016-11-08 15:05             ` [PATCH 3/3] x86/ldt: use vfree_atomic() to free ldt entries Andrey Ryabinin
2016-11-07 16:50         ` [PATCH 4/7] mm: defer vmalloc from atomic context Joel Fernandes
2016-10-22 15:17 ` [PATCH 5/7] mm: mark all calls into the vmalloc subsystem as potentially sleeping Christoph Hellwig
2016-10-22 15:17 ` [PATCH 6/7] mm: turn vmap_purge_lock into a mutex Christoph Hellwig
2016-10-22 15:17 ` [PATCH 7/7] mm: add preempt points into __purge_vmap_area_lazy Christoph Hellwig
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