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authorHidehiro Kawai <hidehiro.kawai.ez@hitachi.com>2008-09-13 02:33:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-09-13 14:41:51 -0700
commitb261dfea48e81636516f4fa653667097638a8a62 (patch)
treed689401cf840df7e2e48aa9597a3226e0609c500 /Documentation
parent024994310e10cd7632f43b6873558820308c1af1 (diff)
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coredump_filter: add description of bit 4
There is no description of bit 4 of coredump_filter in the documentation. This patch adds it. Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> Cc: Roland McGrath <roland@redhat.com> Cc: Mel Gorman <mel@csn.ul.ie> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/proc.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 394eb2cc1c39..f566ad9bcb7b 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -2413,6 +2413,8 @@ The following 4 memory types are supported:
- (bit 1) anonymous shared memory
- (bit 2) file-backed private memory
- (bit 3) file-backed shared memory
+ - (bit 4) ELF header pages in file-backed private memory areas (it is
+ effective only if the bit 2 is cleared)
Note that MMIO pages such as frame buffer are never dumped and vDSO pages
are always dumped regardless of the bitmask status.