The patch titled
Subject: mm/zram: correct ZRAM_ZERO flag bit position
has been added to the -mm tree. Its filename is
mm-zram-correct-zram_zero-flag-bit-position.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-zram-correct-zram_zero-flag-bit-position.patch
echo and later at
echo http://ozlabs.org/~akpm/mmotm/broken-out/mm-zram-correct-zram_zero-flag-bit-position.patch
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From: Mahendran Ganesh <opensource.ganesh@xxxxxxxxx>
Subject: mm/zram: correct ZRAM_ZERO flag bit position
In struct zram_table_entry, the element *value* contains obj size and obj
zram flags. Bit 0 to bit (ZRAM_FLAG_SHIFT - 1) represent obj size, and
bit ZRAM_FLAG_SHIFT to the highest bit of unsigned long represent obj
zram_flags. So the first zram flag(ZRAM_ZERO) should be from
ZRAM_FLAG_SHIFT instead of (ZRAM_FLAG_SHIFT + 1).
This patch fixes this cosmetic issue.
Also fix a typo, "page in now accessed" -> "page is now accessed"
Signed-off-by: Mahendran Ganesh <opensource.ganesh@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Acked-by: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Cc: Nitin Gupta <ngupta@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/zram/zram_drv.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/block/zram/zram_drv.h~mm-zram-correct-zram_zero-flag-bit-position drivers/block/zram/zram_drv.h
--- a/drivers/block/zram/zram_drv.h~mm-zram-correct-zram_zero-flag-bit-position
+++ a/drivers/block/zram/zram_drv.h
@@ -66,8 +66,8 @@ static const size_t max_zpage_size = PAG
/* Flags for zram pages (table[page_no].value) */
enum zram_pageflags {
/* Page consists entirely of zeros */
- ZRAM_ZERO = ZRAM_FLAG_SHIFT + 1,
- ZRAM_ACCESS, /* page in now accessed */
+ ZRAM_ZERO = ZRAM_FLAG_SHIFT,
+ ZRAM_ACCESS, /* page is now accessed */
__NR_ZRAM_PAGEFLAGS,
};
_
Patches currently in -mm which might be from opensource.ganesh@xxxxxxxxx are
zsmalloc-fix-zs_init-cpu-notifier-error-handling.patch
zsmalloc-fix-zs_init-cpu-notifier-error-handling-fix-2.patch
zsmalloc-fix-zs_init-cpu-notifier-error-handling-fix.patch
mm-zram-correct-zram_zero-flag-bit-position.patch
mm-zswap-add-__init-to-some-functions-in-zswap.patch
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