38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
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Subject: xenpaging: allow negative num_pages and limit num_pages
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Simplify paging size argument. If a negative number is specified, it
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means the entire guest memory should be paged out. This is useful for
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debugging. Also limit num_pages to the guests max_pages.
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Signed-off-by: Olaf Hering <olaf@aepfle.de>
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---
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tools/xenpaging/xenpaging.c | 9 +++++++--
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1 file changed, 7 insertions(+), 2 deletions(-)
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--- xen-4.0.1-testing.orig/tools/xenpaging/xenpaging.c
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+++ xen-4.0.1-testing/tools/xenpaging/xenpaging.c
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@@ -512,8 +512,6 @@ int main(int argc, char *argv[])
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domain_id = atoi(argv[1]);
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num_pages = atoi(argv[2]);
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- victims = calloc(num_pages, sizeof(xenpaging_victim_t));
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-
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/* Seed random-number generator */
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srand(time(NULL));
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@@ -534,6 +532,13 @@ int main(int argc, char *argv[])
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return 2;
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}
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+ if ( num_pages < 0 || num_pages > paging->domain_info->max_pages )
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+ {
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+ num_pages = paging->domain_info->max_pages;
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+ DPRINTF("setting num_pages to %d\n", num_pages);
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+ }
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+ victims = calloc(num_pages, sizeof(xenpaging_victim_t));
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+
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/* ensure that if we get a signal, we'll do cleanup, then exit */
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act.sa_handler = close_handler;
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act.sa_flags = 0;
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