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read-ahead turn off, cfg file, minor adjustments

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@399 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-03-27 22:42:54 +00:00
parent d6114368e1
commit 2d2247c260
10 changed files with 186 additions and 57 deletions
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29
platform/gp2x/gp2x.c
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@ -284,6 +284,31 @@ void Reset940(int yes, int bank)
gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03);
}
static void proc_set(const char *path, const char *val)
{
FILE *f;
char tmp[16];
f = fopen(path, "w");
if (f == NULL) {
printf("failed to open: %s\n", path);
return;
}
fprintf(f, "0\n");
fclose(f);
printf("\"%s\" is set to: ", path);
f = fopen(path, "r");
if (f == NULL) {
printf("(open failed)\n");
return;
}
fgets(tmp, sizeof(tmp), f);
printf("%s", tmp);
fclose(f);
}
/* common */
@ -337,6 +362,10 @@ void gp2x_init(void)
/* init usb joys -GnoStiC */
gp2x_usbjoy_init();
/* disable Linux read-ahead */
proc_set("/proc/sys/vm/max-readahead", "0\n");
proc_set("/proc/sys/vm/min-readahead", "0\n");
printf("exitting init()\n"); fflush(stdout);
}