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docs: Updated comment to explain approach more accurately

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Alexander Cusaac (MightyChubz)
2026-06-03 16:52:58 -04:00
parent 962f8dfd1b
commit 26f824eb8e
1 changed files with 4 additions and 2 deletions
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6
core/sys/info/platform_linux.odin
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@@ -81,8 +81,10 @@ _os_version :: proc (allocator: runtime.Allocator, loc := #caller_location) -> (
@(private)
_ram_stats :: proc() -> (total_ram, free_ram, total_swap, free_swap: i64, ok: bool) {
// The approach is to read /proc/meminfo for the memory information _over_ sysinfo(),
// since sysinfo() just returns MemFree over the value we actually want, MemAvailable.
// The approach is to read /proc/meminfo for the memory information. We do this over
// reading sysinfo() since sysinfo() only returns MemFree, which is based on the amount
// of free pages. The value we actually want is MemAvailable inside meminfo since it is
// estimated around being about to evict things out of the page cache.
fd, errno := linux.open("/proc/meminfo", {})
if errno != .NONE {
// This should never happen since something would be wrong with the system