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authorJim Cromie <jim.cromie@gmail.com>2011-12-19 17:13:07 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2012-01-24 12:48:55 -0800
commit7281491c594e7b8501eb5dfcf6cd3724f8a1b5b0 (patch)
tree7f99ca473ffc79baf0cb96b6dfb33de831af494f /net
parent8bd6026e88cb2eb1e60ee40c7a1a0786b2db6623 (diff)
downloadlinux-7281491c594e7b8501eb5dfcf6cd3724f8a1b5b0.tar.bz2
dynamic_debug: enlarge command/query write buffer
Current query write buffer is 256 bytes, on stack. In comparison, the ddebug_query boot-arg is 1024. Allocate the buffer off heap, and enlarge it to 4096 bytes, big enough for ~100 queries (at 40 bytes each), and error out if not. This makes it play nicely with large query sets (to be added later). The buffer should be enough for most uses, and others should probably be split into subsets. [jbaron@redhat.com: changed USER_BUF_PAGE from 4095 -> 4096 ] Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
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