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authorChristoph Hellwig <hch@lst.de>2016-12-12 16:44:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 18:55:08 -0800
commitc8eef01e2f98e09a6733f2acdc675b4cf87a22a1 (patch)
tree239d079bbae20620382741468ee782d140196888 /mm/vmalloc.c
parentb53889987862b69179560e50992f7ea8a5eb61ed (diff)
downloadlinux-c8eef01e2f98e09a6733f2acdc675b4cf87a22a1.tar.bz2
mm: remove free_unmap_vmap_area_noflush()
Patch series "reduce latency in __purge_vmap_area_lazy", v2. This patch (of 10): Sort out the long lock hold times in __purge_vmap_area_lazy. It is based on a patch from Joel. Inline free_unmap_vmap_area_noflush() it into the only caller. Link: http://lkml.kernel.org/r/1479474236-4139-2-git-send-email-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Jisheng Zhang <jszhang@marvell.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Joel Fernandes <joelaf@google.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: John Dias <joaodias@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r--mm/vmalloc.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index e73948afac70..c3261143a0af 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -711,22 +711,13 @@ static void free_vmap_area_noflush(struct vmap_area *va)
}
/*
- * Free and unmap a vmap area, caller ensuring flush_cache_vunmap had been
- * called for the correct range previously.
- */
-static void free_unmap_vmap_area_noflush(struct vmap_area *va)
-{
- unmap_vmap_area(va);
- free_vmap_area_noflush(va);
-}
-
-/*
* Free and unmap a vmap area
*/
static void free_unmap_vmap_area(struct vmap_area *va)
{
flush_cache_vunmap(va->va_start, va->va_end);
- free_unmap_vmap_area_noflush(va);
+ unmap_vmap_area(va);
+ free_vmap_area_noflush(va);
}
static struct vmap_area *find_vmap_area(unsigned long addr)