The patch titled
Subject: include/linux/gfp.h: fix ___GFP_NOLOCKDEP value
has been added to the -mm tree. Its filename is
include-linux-gfph-fix-___gfp_nolockdep-value.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/include-linux-gfph-fix-___gfp_nolockdep-value.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/include-linux-gfph-fix-___gfp_nolockdep-value.patch
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------------------------------------------------------
From: Michal Hocko <mhocko@xxxxxxxx>
Subject: include/linux/gfp.h: fix ___GFP_NOLOCKDEP value
Igor Stoppa has noticed that __GFP_NOLOCKDEP can use a lower bit. At the
time 7e7844226f10 ("lockdep: allow to disable reclaim lockup detection")
was written we still had __GFP_OTHER_NODE but I have removed it in
41b6167e8f74 ("mm: get rid of __GFP_OTHER_NODE") and forgot to lower the
bit value. The current value is outside of __GFP_BITS_SHIFT so it cannot
be used actually.
Fixes: 7e7844226f10 ("lockdep: allow to disable reclaim lockup detection")
Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
Reported-by: Igor Stoppa <igor.stoppa@xxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/gfp.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/gfp.h~include-linux-gfph-fix-___gfp_nolockdep-value include/linux/gfp.h
--- a/include/linux/gfp.h~include-linux-gfph-fix-___gfp_nolockdep-value
+++ a/include/linux/gfp.h
@@ -41,7 +41,7 @@ struct vm_area_struct;
#define ___GFP_WRITE 0x800000u
#define ___GFP_KSWAPD_RECLAIM 0x1000000u
#ifdef CONFIG_LOCKDEP
-#define ___GFP_NOLOCKDEP 0x4000000u
+#define ___GFP_NOLOCKDEP 0x2000000u
#else
#define ___GFP_NOLOCKDEP 0
#endif
_
Patches currently in -mm which might be from mhocko@xxxxxxxx are
include-linux-gfph-fix-___gfp_nolockdep-value.patch
mm-remove-return-value-from-init_currently_empty_zone.patch
mm-memory_hotplug-use-node-instead-of-zone-in-can_online_high_movable.patch
mm-drop-page_initialized-check-from-get_nid_for_pfn.patch
mm-memory_hotplug-get-rid-of-is_zone_device_section.patch
mm-memory_hotplug-split-up-register_one_node.patch
mm-memory_hotplug-consider-offline-memblocks-removable.patch
mm-consider-zone-which-is-not-fully-populated-to-have-holes.patch
mm-compaction-skip-over-holes-in-__reset_isolation_suitable.patch
mm-__first_valid_page-skip-over-offline-pages.patch
mm-vmstat-skip-reporting-offline-pages-in-pagetypeinfo.patch
mm-memory_hotplug-do-not-associate-hotadded-memory-to-zones-until-online.patch
mm-memory_hotplug-replace-for_device-by-want_memblock-in-arch_add_memory.patch
mm-memory_hotplug-fix-the-section-mismatch-warning.patch
mm-memory_hotplug-remove-unused-cruft-after-memory-hotplug-rework.patch
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