taglinefilesource code
totalram67fs/proc/array.ci.totalram, i.totalram-i.freeram, i.freeram, i.sharedram, i.bufferram,
totalram37include/linux/kernel.hunsigned long totalram;    /* Total usable main memory size */
totalram1025mm/memory.cval->totalram = 0;
totalram1032mm/memory.cval->totalram++;
totalram1039mm/memory.cval->totalram <<= PAGE_SHIFT;