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Add a toggle for KSM

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Signed-off-by: Tad <tad@spotco.us>
This commit is contained in:
Tad 2023-07-14 15:45:35 -04:00
parent 34f89596f9
commit 192c73146a
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GPG key ID: B286E9F57A07424B
10 changed files with 33 additions and 20 deletions
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24
Scripts/Common/Post.sh
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@ -24,15 +24,23 @@ echo "Post tweaks...";
#MSM_DLOAD_MODE can't be disabled as it breaks compile
sed -i 's/set_dload_mode(in_panic)/set_dload_mode(0)/' kernel/*/*/arch/arm/mach-msm/restart.c &>/dev/null || true;
#Disable slub/slab merging
sed -i 's/static int slub_nomerge;/static int slub_nomerge = 1;/' kernel/*/*/mm/slub.c &>/dev/null || true; #2.6.22-3.17
sed -i 's/static int slab_nomerge;/static int slab_nomerge = 1;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #3.18-4.12
sed -i 's/static bool slab_nomerge = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
sed -i 's/static bool slab_nomerge __ro_after_init = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge __ro_after_init = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
if [ "$DOS_USE_KSM" = true ]; then
#Enable KSM #XXX testing only
sed -i 's/unsigned int ksm_run = KSM_RUN_STOP;/unsigned int ksm_run = KSM_RUN_MERGE;/' kernel/*/*/mm/ksm.c &>/dev/null || true;
sed -i 's/unsigned long ksm_run = KSM_RUN_STOP;/unsigned long ksm_run = KSM_RUN_MERGE;/' kernel/*/*/mm/ksm.c &>/dev/null || true;
#Enable KSM #XXX testing only
#sed -i 's/unsigned int ksm_run = KSM_RUN_STOP;/unsigned int ksm_run = KSM_RUN_MERGE;/' kernel/*/*/mm/ksm.c &>/dev/null || true;
#sed -i 's/unsigned long ksm_run = KSM_RUN_STOP;/unsigned long ksm_run = KSM_RUN_MERGE;/' kernel/*/*/mm/ksm.c &>/dev/null || true;
#Enable slub/slab merging #XXX testing only
sed -i 's/static int slub_nomerge;/static int slub_nomerge = 0;/' kernel/*/*/mm/slub.c &>/dev/null || true; #2.6.22-3.17
sed -i 's/static int slab_nomerge;/static int slab_nomerge = 0;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #3.18-4.12
sed -i 's/static bool slab_nomerge = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge = false;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
sed -i 's/static bool slab_nomerge __ro_after_init = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge __ro_after_init = false;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
else
#Disable slub/slab merging
sed -i 's/static int slub_nomerge;/static int slub_nomerge = 1;/' kernel/*/*/mm/slub.c &>/dev/null || true; #2.6.22-3.17
sed -i 's/static int slab_nomerge;/static int slab_nomerge = 1;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #3.18-4.12
sed -i 's/static bool slab_nomerge = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
sed -i 's/static bool slab_nomerge __ro_after_init = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge __ro_after_init = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
fi;
#Enable page poisoning
#Commented as set by defconfig