https://github.com/torvalds/linux
Revision 85d492f28d056c40629fc25d79f54da618a29dc4 authored by Minchan Kim on 13 April 2017, 21:56:40 UTC, committed by Linus Torvalds on 14 April 2017, 01:24:21 UTC
Now 64K page system, zsamlloc has 257 classes so 8 class bit is not
enough.  With that, it corrupts the system when zsmalloc stores
65536byte data(ie, index number 256) so that this patch increases class
bit for simple fix for stable backport.  We should clean up this mess
soon.

  index	size
  0	32
  1	288
  ..
  ..
  204	52256
  256	65536

Fixes: 3783689a1 ("zsmalloc: introduce zspage structure")
Link: http://lkml.kernel.org/r/1492042622-12074-3-git-send-email-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent d72e9a7
History
Tip revision: 85d492f28d056c40629fc25d79f54da618a29dc4 authored by Minchan Kim on 13 April 2017, 21:56:40 UTC
zsmalloc: expand class bit
Tip revision: 85d492f
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.cocciconfig -rw-r--r-- 59 bytes
.get_maintainer.ignore -rw-r--r-- 31 bytes
.gitattributes -rw-r--r-- 30 bytes
.gitignore -rw-r--r-- 1.3 KB
.mailmap -rw-r--r-- 7.8 KB
COPYING -rw-r--r-- 18.3 KB
CREDITS -rw-r--r-- 96.0 KB
Kbuild -rw-r--r-- 2.8 KB
Kconfig -rw-r--r-- 252 bytes
MAINTAINERS -rw-r--r-- 389.4 KB
Makefile -rw-r--r-- 57.8 KB
README -rw-r--r-- 722 bytes

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