Bump the cutoff mark for comparing files from 8 MB to 16 MB.
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1b7fb13116
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3b67680b63
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=92611
@ -74,6 +74,8 @@ static const char sccsid[] = "From: @(#)xinstall.c 8.1 (Berkeley) 7/21/93";
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#define MAP_FAILED ((void *)-1) /* from <sys/mman.h> */
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#endif
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#define MAX_CMP_SIZE (16 * 1024 * 1024)
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#define DIRECTORY 0x01 /* Tell install it's a directory. */
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#define SETFLAGS 0x02 /* Tell install to set flags. */
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#define NOCHANGEBITS (UF_IMMUTABLE | UF_APPEND | SF_IMMUTABLE | SF_APPEND)
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@ -528,7 +530,7 @@ compare(int from_fd, const char *from_name __unused, size_t from_len,
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if (from_len != to_len)
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return 1;
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if (from_len <= 8 * 1024 * 1024) {
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if (from_len <= MAX_CMP_SIZE) {
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done_compare = 0;
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if (trymmap(from_fd) && trymmap(to_fd)) {
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p = mmap(NULL, from_len, PROT_READ, MAP_SHARED, from_fd, (off_t)0);
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