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a773d9c215
When this test is compiled on ARMv7, we get this: > maps03.c: In function 'main': > maps03.c:15:31: error: result of '10l << 30' requires 35 bits > to represent, but 'long int' only has 32 bits [-Werror=shift-overflow=] > mem = (void *)mmap(NULL, (10L << 30), PROT_READ | PROT_WRITE, > ^~ Surely, the nature of the test looks like it needs 64-bit addressing. Signed-off-by: Kir Kolyshkin <kir@openvz.org> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
47 lines
875 B
C
47 lines
875 B
C
#include <stdlib.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <limits.h>
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#include "zdtmtst.h"
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#if (LONG_MAX == 2147483647L) /* 32 bit */
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#define TEST_SKIP_REASON "64-bit arch required"
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#include "skip-me.c"
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#else
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const char *test_doc = "Test for huge VMA area";
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const char *test_author = "Cyrill Gorcunov <gorcunov@openvz.org>";
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int main(int argc, char **argv)
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{
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test_init(argc, argv);
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unsigned char *mem;
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test_msg("Alloc huge VMA\n");
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mem = (void *)mmap(NULL, (10L << 30), PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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if ((void *)mem == MAP_FAILED) {
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pr_perror("mmap failed");
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return -1;
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}
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mem[4L << 30] = 1;
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mem[8L << 30] = 2;
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test_daemon();
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test_waitsig();
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test_msg("Testing restored data\n");
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if (mem[4L << 30] != 1 || mem[8L << 30] != 2) {
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fail("Data corrupted!\n");
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exit(1);
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}
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pass();
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return 0;
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}
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#endif
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