On Fri, 19 Jan 2018 21:04:32 +0530, inventsekar said: > 1. so I tried to find out which subsystem the swap space comes under..
There's nothing for swap in particular. The decision of what pages to move out of memory is in the code under mm/ (memory management). The actual I/O to/from a swap area depends on what the backing store is - a disk partition, a file on a filesystem, an NFS mount, or whatever - the I/O gets handled by whatever drives any other I/O for that target. MAINTAINERS tells us: MEMORY MANAGEMENT L: [email protected] W: http://www.linux-mm.org S: Maintained F: include/linux/mm.h F: include/linux/gfp.h F: include/linux/mmzone.h F: include/linux/memory_hotplug.h F: include/linux/vmalloc.h F: mm/
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