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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /mm/madvise.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/madvise.c')
-rw-r--r--mm/madvise.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index 74bf193eff0..1ccbba5b667 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -65,6 +65,12 @@ static long madvise_behavior(struct vm_area_struct * vma,
}
new_flags &= ~VM_DONTCOPY;
break;
+ case MADV_DONTDUMP:
+ new_flags |= VM_NODUMP;
+ break;
+ case MADV_DODUMP:
+ new_flags &= ~VM_NODUMP;
+ break;
case MADV_MERGEABLE:
case MADV_UNMERGEABLE:
error = ksm_madvise(vma, start, end, behavior, &new_flags);
@@ -251,7 +257,7 @@ static int madvise_hwpoison(int bhv, unsigned long start, unsigned long end)
printk(KERN_INFO "Injecting memory failure for page %lx at %lx\n",
page_to_pfn(p), start);
/* Ignore return value for now */
- __memory_failure(page_to_pfn(p), 0, MF_COUNT_INCREASED);
+ memory_failure(page_to_pfn(p), 0, MF_COUNT_INCREASED);
}
return ret;
}
@@ -293,6 +299,8 @@ madvise_behavior_valid(int behavior)
case MADV_HUGEPAGE:
case MADV_NOHUGEPAGE:
#endif
+ case MADV_DONTDUMP:
+ case MADV_DODUMP:
return 1;
default: