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Update free for current 2.4.x behavior...

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-Erik
This commit is contained in:
Eric Andersen 2000-09-10 16:10:41 +00:00
parent 729216cb11
commit 73de6561ca
2 changed files with 26 additions and 42 deletions
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34
free.c
View File

@ -29,29 +29,21 @@ extern int free_main(int argc, char **argv)
{ {
struct sysinfo info; struct sysinfo info;
sysinfo(&info); sysinfo(&info);
/* Kernels prior to 2.4.x will return info.mem_unit==0. Kernels after
* 2.4.x actually fill this value in */ /* Kernels prior to 2.4.x will return info.mem_unit==0, so cope... */
if (info.mem_unit==0) { if (info.mem_unit==0) {
/* Looks like we have a kernel prior to Linux 2.4.x */ info.mem_unit=1;
info.mem_unit=1024;
info.totalram/=info.mem_unit;
info.freeram/=info.mem_unit;
info.totalswap/=info.mem_unit;
info.freeswap/=info.mem_unit;
info.sharedram/=info.mem_unit;
info.bufferram/=info.mem_unit;
} else {
/* Bah. Linux 2.4.x completely changed sysinfo. This can in theory
overflow a 32 bit unsigned long, but who puts more then 4GiB ram+swap
on an embedded system? */
info.mem_unit/=1024;
info.totalram*=info.mem_unit;
info.freeram*=info.mem_unit;
info.totalswap*=info.mem_unit;
info.freeswap*=info.mem_unit;
info.sharedram*=info.mem_unit;
info.bufferram*=info.mem_unit;
} }
info.mem_unit*=1024;
/* TODO: Make all this stuff not overflow when mem >= 4 Gib */
info.totalram/=info.mem_unit;
info.freeram/=info.mem_unit;
info.totalswap/=info.mem_unit;
info.freeswap/=info.mem_unit;
info.sharedram/=info.mem_unit;
info.bufferram/=info.mem_unit;
if (argc > 1 && **(argv + 1) == '-') if (argc > 1 && **(argv + 1) == '-')
usage(free_usage); usage(free_usage);

34
procps/free.c
View File

@ -29,29 +29,21 @@ extern int free_main(int argc, char **argv)
{ {
struct sysinfo info; struct sysinfo info;
sysinfo(&info); sysinfo(&info);
/* Kernels prior to 2.4.x will return info.mem_unit==0. Kernels after
* 2.4.x actually fill this value in */ /* Kernels prior to 2.4.x will return info.mem_unit==0, so cope... */
if (info.mem_unit==0) { if (info.mem_unit==0) {
/* Looks like we have a kernel prior to Linux 2.4.x */ info.mem_unit=1;
info.mem_unit=1024;
info.totalram/=info.mem_unit;
info.freeram/=info.mem_unit;
info.totalswap/=info.mem_unit;
info.freeswap/=info.mem_unit;
info.sharedram/=info.mem_unit;
info.bufferram/=info.mem_unit;
} else {
/* Bah. Linux 2.4.x completely changed sysinfo. This can in theory
overflow a 32 bit unsigned long, but who puts more then 4GiB ram+swap
on an embedded system? */
info.mem_unit/=1024;
info.totalram*=info.mem_unit;
info.freeram*=info.mem_unit;
info.totalswap*=info.mem_unit;
info.freeswap*=info.mem_unit;
info.sharedram*=info.mem_unit;
info.bufferram*=info.mem_unit;
} }
info.mem_unit*=1024;
/* TODO: Make all this stuff not overflow when mem >= 4 Gib */
info.totalram/=info.mem_unit;
info.freeram/=info.mem_unit;
info.totalswap/=info.mem_unit;
info.freeswap/=info.mem_unit;
info.sharedram/=info.mem_unit;
info.bufferram/=info.mem_unit;
if (argc > 1 && **(argv + 1) == '-') if (argc > 1 && **(argv + 1) == '-')
usage(free_usage); usage(free_usage);