The patch titled
Subject: include/linux/gfp.h: fix the annotation of GFP_ZONE_TABLE
has been added to the -mm tree. Its filename is
include-linux-gfph-fix-the-annotation-of-gfp_zone_table.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/include-linux-gfph-fix-the-annotation-of-gfp_zone_table.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/include-linux-gfph-fix-the-annotation-of-gfp_zone_table.patch
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------------------------------------------------------
From: Huaisheng Ye <yehs1@xxxxxxxxxx>
Subject: include/linux/gfp.h: fix the annotation of GFP_ZONE_TABLE
When bit is equal to 0x4, it means OPT_ZONE_DMA32 should be got from
GFP_ZONE_TABLE. OPT_ZONE_DMA32 shall be equal to ZONE_DMA32 or
ZONE_NORMAL according to the status of CONFIG_ZONE_DMA32.
Similarly, when bit is equal to 0xc, that means OPT_ZONE_DMA32 should be
got with an allocation policy GFP_MOVABLE. So ZONE_DMA32 or ZONE_NORMAL
is the possible result value.
Link: http://lkml.kernel.org/r/20180601163403.1032-1-yehs2007@xxxxxxxx
Signed-off-by: Huaisheng Ye <yehs1@xxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Kate Stewart <kstewart@xxxxxxxxxxxxxxxxxxx>
Cc: "Levin, Alexander (Sasha Levin)" <alexander.levin@xxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/gfp.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/gfp.h~include-linux-gfph-fix-the-annotation-of-gfp_zone_table include/linux/gfp.h
--- a/include/linux/gfp.h~include-linux-gfph-fix-the-annotation-of-gfp_zone_table
+++ a/include/linux/gfp.h
@@ -343,7 +343,7 @@ static inline bool gfpflags_allow_blocki
* 0x1 => DMA or NORMAL
* 0x2 => HIGHMEM or NORMAL
* 0x3 => BAD (DMA+HIGHMEM)
- * 0x4 => DMA32 or DMA or NORMAL
+ * 0x4 => DMA32 or NORMAL
* 0x5 => BAD (DMA+DMA32)
* 0x6 => BAD (HIGHMEM+DMA32)
* 0x7 => BAD (HIGHMEM+DMA32+DMA)
@@ -351,7 +351,7 @@ static inline bool gfpflags_allow_blocki
* 0x9 => DMA or NORMAL (MOVABLE+DMA)
* 0xa => MOVABLE (Movable is valid only if HIGHMEM is set too)
* 0xb => BAD (MOVABLE+HIGHMEM+DMA)
- * 0xc => DMA32 (MOVABLE+DMA32)
+ * 0xc => DMA32 or NORMAL (MOVABLE+DMA32)
* 0xd => BAD (MOVABLE+DMA32+DMA)
* 0xe => BAD (MOVABLE+DMA32+HIGHMEM)
* 0xf => BAD (MOVABLE+DMA32+HIGHMEM+DMA)
_
Patches currently in -mm which might be from yehs1@xxxxxxxxxx are
mm-page_allocc-remove-useless-parameter-of-finalise_ac.patch
include-linux-gfph-fix-the-annotation-of-gfp_zone_table.patch
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