diff --git a/bin/omarchy-update-system-pkgs b/bin/omarchy-update-system-pkgs
index ac12a999..564f9548 100755
--- a/bin/omarchy-update-system-pkgs
+++ b/bin/omarchy-update-system-pkgs
@@ -37,6 +37,7 @@ sudo env OMARCHY_UPDATE_PACMAN=1 pacman -Syu --noconfirm \
   --overwrite '/etc/systemd/system/plocate-updatedb.service.d/ac-only.conf' \
   --overwrite '/etc/systemd/system.conf.d/20-omarchy-nofile.conf' \
   --overwrite '/etc/systemd/user.conf.d/20-omarchy-nofile.conf' \
+  --overwrite '/etc/systemd/zram-generator.conf' \
   --overwrite '/usr/lib/systemd/system-sleep/unmount-fuse' \
   --overwrite '/usr/share/plymouth/themes/omarchy/*' \
   --overwrite '/usr/share/sddm/hyprland.lua' \
diff --git a/bin/omarchy-upgrade-to-quattro b/bin/omarchy-upgrade-to-quattro
index 46741bb4..22412897 100755
--- a/bin/omarchy-upgrade-to-quattro
+++ b/bin/omarchy-upgrade-to-quattro
@@ -1087,6 +1087,7 @@ run_final_system_package_upgrade() {
     --overwrite '/etc/systemd/system/plocate-updatedb.service.d/ac-only.conf' \
     --overwrite '/etc/systemd/system.conf.d/20-omarchy-nofile.conf' \
     --overwrite '/etc/systemd/user.conf.d/20-omarchy-nofile.conf' \
+    --overwrite '/etc/systemd/zram-generator.conf' \
     --overwrite '/usr/lib/systemd/system-sleep/unmount-fuse' \
     --overwrite '/usr/share/plymouth/themes/omarchy/*' \
     --overwrite '/usr/share/sddm/hyprland.lua' \
diff --git a/etc/sysctl.d/99-omarchy-sysctl.conf b/etc/sysctl.d/99-omarchy-sysctl.conf
index b8845467..d5ae09ea 100644
--- a/etc/sysctl.d/99-omarchy-sysctl.conf
+++ b/etc/sysctl.d/99-omarchy-sysctl.conf
@@ -1,2 +1,23 @@
 # Solve common flakiness with SSH (MTU discovery on flaky links).
 net.ipv4.tcp_mtu_probing=1
+
+# Tune reclaim for swap on zram, which is orders of magnitude faster than the
+# disk swapfile these defaults assume.
+
+# Anything above 100 tells the kernel that evicting an anonymous page is
+# cheaper than dropping a page-cache page it would have to re-read from disk.
+# With a compressed RAM device that is true, so the disk-era default of 60
+# leaves the page cache starved.
+vm.swappiness=180
+
+# Read one page per swap-in fault. The default of 8 pays for a seek that zram
+# doesn't have, and every extra page costs a separate decompression.
+vm.page-cluster=0
+
+# Don't let external fragmentation raise the watermarks, which produces
+# reclaim bursts while memory is still free.
+vm.watermark_boost_factor=0
+
+# Keep ~1.25% of memory free instead of 0.1%, so kswapd reclaims in the
+# background rather than letting allocations stall in direct reclaim.
+vm.watermark_scale_factor=125
diff --git a/etc/systemd/zram-generator.conf b/etc/systemd/zram-generator.conf
new file mode 100644
index 00000000..d794ad16
--- /dev/null
+++ b/etc/systemd/zram-generator.conf
@@ -0,0 +1,12 @@
+# Compressed swap in RAM. zstd averages around 3:1, so the worst case for a
+# full device is roughly a third of the size below.
+#
+# The generator's own default caps this at 4G, which sends machines with a lot
+# of memory to the disk swapfile far earlier than they need to go.
+[zram0]
+zram-size = min(ram / 2, 8192)
+compression-algorithm = zstd
+
+# Above the pri=0 that omarchy-hibernation-setup gives the disk swapfile, so
+# zram absorbs everything until it's full.
+swap-priority = 100
diff --git a/migrations/1784961000.sh b/migrations/1784961000.sh
new file mode 100644
index 00000000..75b631da
--- /dev/null
+++ b/migrations/1784961000.sh
@@ -0,0 +1,24 @@
+echo "Tune reclaim for swap on zram"
+
+# Everything here only applies the shipped config early; boot picks it up
+# regardless. Nothing is worth failing the migration chain over, so each step
+# falls back to asking for a reboot.
+
+# Load our file specifically rather than --system, which returns nonzero for
+# any invalid key in any admin sysctl file on the machine.
+sudo sysctl -p /etc/sysctl.d/99-omarchy-sysctl.conf >/dev/null || true
+
+if sudo systemctl daemon-reload; then
+  # Resizing swaps the device off first, which faults every stored page back
+  # into memory. That's only cheap while it's empty, so a device under
+  # pressure keeps its old size until the next boot. A device that doesn't
+  # exist yet reads as empty, which is what we want: the restart brings it up
+  # against the unit daemon-reload just generated.
+  zram_used=$(awk '$1 == "/dev/zram0" {print $4}' /proc/swaps)
+
+  if [[ ${zram_used:-0} == 0 ]] && sudo systemctl restart dev-zram0.swap; then
+    exit 0
+  fi
+fi
+
+omarchy-state set reboot-required