Add support for mapping the heap via morecore through the --heap option.
Signed-off-by: Andy Whitcroft <[EMAIL PROTECTED]>
Acked-by: Mel Gorman <[EMAIL PROTECTED]>
Acked-by: Adam Litke <[EMAIL PROTECTED]>
Acked-by: Eric B Munson <[EMAIL PROTECTED]>
---
hugectl.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/hugectl.c b/hugectl.c
index 0387c5b..79e934c 100644
--- a/hugectl.c
+++ b/hugectl.c
@@ -62,6 +62,8 @@ void print_usage()
OPTION("--text", "Requests remapping of the program text");
OPTION("--data", "Requests remapping of the program data");
OPTION("--bss", "Requests remapping of the program bss");
+ OPTION("--heap", "Requests remapping of the program heap");
+ CONT("(malloc space)");
}
int verbose_level = VERBOSITY_DEFAULT;
@@ -99,6 +101,7 @@ void setup_environment(char *var, char *val)
#define MAP_TEXT 0x0002
#define MAP_DATA 0x0004
#define MAP_BSS 0x0008
+#define MAP_HEAP 0x0010
void setup_mappings(int which)
{
@@ -127,6 +130,9 @@ void setup_mappings(int which)
if (n)
setup_environment("HUGETLB_ELFMAP", remap);
+
+ if (which & MAP_HEAP)
+ setup_environment("HUGETLB_MORECORE", "yes");
}
int main(int argc, char** argv)
@@ -142,6 +148,7 @@ int main(int argc, char** argv)
{"text", no_argument, NULL, MAP_BASE|MAP_TEXT},
{"data", no_argument, NULL, MAP_BASE|MAP_DATA},
{"bss", no_argument, NULL, MAP_BASE|MAP_BSS},
+ {"heap", no_argument, NULL, MAP_BASE|MAP_HEAP},
{0},
};
--
1.5.6.GIT
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