Conversion performed via this Coccinelle script:

  // SPDX-License-Identifier: GPL-2.0-only
  // Options: --include-headers-for-types --all-includes --include-headers --keep-comments
  virtual patch

  @gfp depends on patch && !(file in "tools") && !(file in "samples")@
  identifier ALLOC = {kmalloc_obj,kmalloc_objs,kmalloc_flex,
 		    kzalloc_obj,kzalloc_objs,kzalloc_flex,
		    kvmalloc_obj,kvmalloc_objs,kvmalloc_flex,
		    kvzalloc_obj,kvzalloc_objs,kvzalloc_flex};
  @@

  	ALLOC(...
  -		, GFP_KERNEL
  	)

  $ make coccicheck MODE=patch COCCI=gfp.cocci

Build and boot tested x86_64 with Fedora 42's GCC and Clang:

Linux version 6.19.0+ (user@host) (gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7), GNU ld version 2.44-12.fc42) #1 SMP PREEMPT_DYNAMIC 1970-01-01
Linux version 6.19.0+ (user@host) (clang version 20.1.8 (Fedora 20.1.8-4.fc42), LLD 20.1.8) #1 SMP PREEMPT_DYNAMIC 1970-01-01

Signed-off-by: Kees Cook <kees@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

This converts some of the visually simpler cases that have been split
over multiple lines.  I only did the ones that are easy to verify the
resulting diff by having just that final GFP_KERNEL argument on the next
line.

Somebody should probably do a proper coccinelle script for this, but for
me the trivial script actually resulted in an assertion failure in the
middle of the script.  I probably had made it a bit _too_ trivial.

So after fighting that far a while I decided to just do some of the
syntactically simpler cases with variations of the previous 'sed'
scripts.

The more syntactically complex multi-line cases would mostly really want
whitespace cleanup anyway.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

This is the exact same thing as the 'alloc_obj()' version, only much
smaller because there are a lot fewer users of the *alloc_flex()
interface.

As with alloc_obj() version, this was done entirely with mindless brute
force, using the same script, except using 'flex' in the pattern rather
than 'objs*'.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

This was done entirely with mindless brute force, using

    git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
        xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'

to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.

Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.

For the same reason the 'flex' versions will be done as a separate
conversion.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>

Pull kmalloc_obj prep from Kees Cook:
 "Fixes for return types to prepare for the kmalloc_obj treewide
  conversion, that haven't yet appeared during the merge window:
  dm-crypt, dm-zoned, drm/msm, and arm64 kvm"

* tag 'kmalloc_obj-prep-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  KVM: arm64: vgic: Handle const qualifier from gic_kvm_info allocation type
  drm/msm: Adjust msm_iommu_pagetable_prealloc_allocate() allocation type
  dm: dm-zoned: Adjust dmz_load_mapping() allocation type
  dm-crypt: Adjust crypt_alloc_tfms_aead() allocation type

Pull ARM updates from Russell King:

 - avoid %pK for ARM MM prints

 - implement ARCH_HAS_CC_CAN_LINK to ensure runnable user progs

 - handle BE8 and BE32 for user progs

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
  ARM: 9470/1: Handle BE8 vs BE32 in ARCH_CC_CAN_LINK
  ARM: 9469/1: Implement ARCH_HAS_CC_CAN_LINK
  ARM: 9467/1: mm: Don't use %pK through printk

Pull EFI fixes from Ard Biesheuvel:
 "Mixed bag of EFI tweaks and bug fixes:

   - Add a missing symbol export spotted by Arnd's randconfig testing

   - Fix kexec from a kernel booted with 'noefi'

   - Fix memblock handling of the unaccepted memory table

   - Constify an occurrence of struct efivar_operations

   - Add Ilias as EFI reviewer"

* tag 'efi-fixes-for-v7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: Align unaccepted memory range to page boundary
  efi: Fix reservation of unaccepted memory table
  MAINTAINERS: Add a reviewer entry for EFI
  efi: stmm: Constify struct efivar_operations
  x86/kexec: Copy ACPI root pointer address from config table
  efi: export sysfb_primary_display for EDID

Pull arm64 fixes from Will Deacon:
 "Two arm64 fixes: one fixes a warning that started showing up with
  gcc 16 and the other fixes a lockup in udelay() when running on a
  vCPU loaded on a CPU with the new-fangled WFIT instruction:

   - Fix compiler warning from huge_pte_clear() with GCC 16

   - Fix hang in udelay() on systems with WFIT by consistently using the
     virtual counter to calculate the delta"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: hugetlbpage: avoid unused-but-set-parameter warning (gcc-16)
  arm64: Force the use of CNTVCT_EL0 in __delay()

Pull s390 fixes from Heiko Carstens:

 - Make KEXEC_SIG available again for CONFIG_MODULES=n

 - The s390 topology code used to call rebuild_sched_domains() before
   common code scheduling domains were setup. This was silently ignored
   by common code, but now results in a warning. Address by avoiding the
   early call

 - Convert debug area lock from spinlock to raw spinlock to address
   lockdep warnings

 - The recent 3490 tape device driver rework resulted in a different
   device driver name, which is visible via sysfs for user space. This
   breaks at least one user space application. Change the device driver
   name back to its old name to fix this

* tag 's390-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/tape: Fix device driver name
  s390/debug: Convert debug area lock from a spinlock to a raw spinlock
  s390/smp: Avoid calling rebuild_sched_domains() early
  s390/kexec: Make KEXEC_SIG available when CONFIG_MODULES=n