Shared anon mappings created without MAP_NORESERVE may hold reservation of
memory commitment for whole size of shmem segment. There was no way to change
that size, but recently introduced 'map_files' in proc allows to do that.
This patch adjust memory reservation in shmem_setattr() during
Shared anon mappings created without MAP_NORESERVE may hold reservation of
memory commitment for whole size of shmem segment. There was no way to change
that size, but recently introduced 'map_files' in proc allows to do that.
This patch adjust memory reservation in shmem_setattr() during
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