On 28/05/14 00:14, Tony Lindgren wrote: > FYI, I'm getting this with current linux next: > > omapfb omapfb: failed to allocate framebuffer > omapfb omapfb: failed to allocate fbmem > omapfb omapfb: failed to setup omapfb > omapfb: probe of omapfb failed with error -12 You need the attached patch to fix linux-next's dma alloc. Tomi
From 88275fcdf6e7545e66fe35b822a41c9c017656f2 Mon Sep 17 00:00:00 2001
From: Vlastimil Babka <vbabka@xxxxxxx>
Date: Fri, 23 May 2014 10:18:56 +0200
Subject: [PATCH]
mm-compaction-properly-signal-and-act-upon-lock-and-need_sched-contention-fix2
Step 1: Change function name and comment between v1 and v2 so that the return
value signals the opposite thing.
Step 2: Change the call sites to reflect the opposite return value.
Step 3: ???
Step 4: Make a complete fool of yourself.
Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx>
---
mm/compaction.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index a525cd47a9d5..51750197db11 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -237,13 +237,13 @@ static inline bool compact_should_abort(struct compact_control *cc)
if (need_resched()) {
if (cc->mode == MIGRATE_ASYNC) {
cc->contended = true;
- return false;
+ return true;
}
cond_resched();
}
- return true;
+ return false;
}
/* Returns true if the page is within a block suitable for migration to */
--
1.9.1
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