forked from luck/tmp_suning_uos_patched
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>
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@ -2413,6 +2413,8 @@ The following 4 memory types are supported:
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- (bit 1) anonymous shared memory
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- (bit 2) file-backed private memory
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- (bit 3) file-backed shared memory
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- (bit 4) ELF header pages in file-backed private memory areas (it is
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effective only if the bit 2 is cleared)
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Note that MMIO pages such as frame buffer are never dumped and vDSO pages
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are always dumped regardless of the bitmask status.
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