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Harry Yoo a13b68d79d mm/slab: allow specifying free pointer offset when using constructor 
When a slab cache has a constructor, the free pointer is placed after the
object because certain fields must not be overwritten even after the
object is freed.

However, some fields that the constructor does not initialize can safely
be overwritten after free. Allow specifying the free pointer offset within
the object, reducing the overall object size when some fields can be reused
for the free pointer.

Adjust the document accordingly.

Signed-off-by: Harry Yoo <harry.yoo@oracle.com>
Link: https://patch.msgid.link/20260113061845.159790-3-harry.yoo@oracle.com
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
History 2026-02-04 10:05:35 +01:00
..
acpi ACPI: PCI: IRQ: Fix INTx GSIs signedness 2026-01-05 19:06:40 +01:00
asm-generic hyperv-next for v6.19 2025-12-09 06:10:17 +09:00
clocksource clocksource/drivers/arm_arch_timer_mmio: Switch over to standalone driver 2025-09-23 12:31:50 +02:00
crypto This update includes the following changes: 2025-12-03 11:28:38 -08:00
cxl cxl/events: Trace Memory Sparing Event Record 2025-07-18 08:19:56 -07:00
drm drm-misc-fixes for v6.19-rc5: 2026-01-08 07:41:00 +10:00
dt-bindings This pull request is entirely SoC clk drivers, not for lack of trying to modify 2025-12-08 09:38:52 +09:00
hyperv mshv: Add definitions for MSHV sleep state configuration 2025-12-05 23:24:57 +00:00
keys keys: Annotate struct asymmetric_key_id with __counted_by 2025-10-31 17:43:56 +08:00
kunit kunit: Enforce task execution in {soft,hard}irq contexts 2025-12-22 12:20:08 -08:00
kvm KVM: arm64: GICv2: Handle deactivation via GICV_DIR traps 2025-11-24 14:29:14 -08:00
linux mm/slab: allow specifying free pointer offset when using constructor 2026-02-04 10:05:35 +01:00
math-emu powerpc/math-emu: Remove -w build flag and fix warnings 2022-09-05 17:28:25 +10:00
media media: v4l2-isp: Rename block_info to block_type_info 2025-11-14 15:48:49 +01:00
memory memory: renesas-rpc-if: Add RZ/G3E xSPI support 2025-05-01 12:22:25 +02:00
misc cxl: Remove driver 2025-03-16 22:04:27 +11:00
net net: dsa: properly keep track of conduit reference 2025-12-23 10:32:08 +01:00
pcmcia pcmcia: remove PCCARD_IODYN 2025-08-16 15:37:47 +02:00
ras Significant patch series in this merge are as follows: 2025-12-05 13:52:43 -08:00
rdma RDMA/core: Add new IB rate for XDR (8x) support 2025-11-24 02:58:30 -05:00
rv rv: Fix compilation if !CONFIG_RV_REACTORS 2025-12-02 12:33:37 -05:00
scsi Merge branch 6.18/scsi-fixes into 6.19/scsi-staging 2025-11-19 22:59:25 -05:00
soc This pull request is entirely SoC clk drivers, not for lack of trying to modify 2025-12-08 09:38:52 +09:00
sound ASoC: soc-acpi / SOF: Add best_effort flag to get_function_tplg_files op 2025-12-15 23:08:35 +09:00
target Merge patch series "target: RW/num_cmds stats improvements" 2025-11-02 22:07:27 -05:00
trace nfsd-6.19 fixes: 2026-01-06 09:12:52 -08:00
uapi treewide: Update email address 2026-01-11 06:09:11 -10:00
ufs Merge patch series "Add OP-TEE based RPMB driver for UFS devices" 2025-11-20 10:26:13 -05:00
vdso Updates for the VDSO subsystem: 2025-09-30 16:58:21 -07:00
video drm/vesadrm: Support DRM_FORMAT_C8 2025-08-26 09:54:20 +02:00
xen drivers/xen/xenbus: Replace deprecated strcpy in xenbus_transaction_end 2025-11-17 08:48:40 +01:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00