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Linux: handle Shmem being part of Cached

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See https://lore.kernel.org/patchwork/patch/648763/

Do not show twice by subtracting from Cached.

Closes: #591
This commit is contained in:
Christian Göttsche 2021-04-14 18:26:38 +02:00 committed by BenBE
parent 3db3737d75
commit 2d7069feb4
1 changed files with 6 additions and 2 deletions
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8
linux/LinuxProcessList.c
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@ -1571,11 +1571,15 @@ static inline void LinuxProcessList_scanMemoryInfo(ProcessList* this) {
/*
* Compute memory partition like procps(free)
* https://gitlab.com/procps-ng/procps/-/blob/master/proc/sysinfo.c
*
* Adjustments:
* - Shmem in part of Cached (see https://lore.kernel.org/patchwork/patch/648763/),
* do not show twice by subtracting from Cached and do not subtract twice from used.
*/
this->totalMem = totalMem;
this->cachedMem = cachedMem + sreclaimableMem;
this->cachedMem = cachedMem + sreclaimableMem - sharedMem;
this->sharedMem = sharedMem;
const memory_t usedDiff = freeMem + cachedMem + sreclaimableMem + buffersMem + sharedMem;
const memory_t usedDiff = freeMem + cachedMem + sreclaimableMem + buffersMem;
this->usedMem = (totalMem >= usedDiff) ? totalMem - usedDiff : totalMem - freeMem;
this->buffersMem = buffersMem;
this->availableMem = availableMem != 0 ? MINIMUM(availableMem, totalMem) : freeMem;