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linux-stable/arch/powerpc
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Alexandre Ghiti 4eb0716e86 hugetlb: allow to free gigantic pages regardless of the configuration 
On systems without CONTIG_ALLOC activated but that support gigantic pages,
boottime reserved gigantic pages can not be freed at all.  This patch
simply enables the possibility to hand back those pages to memory
allocator.

Link: http://lkml.kernel.org/r/20190327063626.18421-5-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Acked-by: David S. Miller <davem@davemloft.net> [sparc]
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Andy Lutomirsky <luto@kernel.org>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 09:47:47 -07:00
..
boot powerpc/boot: Fix missing check of lseek() return value 2019-05-03 02:54:57 +10:00
configs This pull request contains the following changes for MTD: 2019-05-12 17:57:52 -04:00
crypto powerpc updates for 5.2 2019-05-10 05:29:27 -07:00
include hugetlb: allow to free gigantic pages regardless of the configuration 2019-05-14 09:47:47 -07:00
kernel powerpc updates for 5.2 2019-05-10 05:29:27 -07:00
kvm mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
lib powerpc: disable KASAN instrumentation on early/critical files. 2019-05-03 01:20:26 +10:00
math-emu powerpc: math-emu: remove unneeded header search paths 2019-01-14 20:39:27 +11:00
mm initramfs: provide a generic free_initrd_mem implementation 2019-05-14 09:47:47 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2019-03-16 12:20:08 -07:00
oprofile Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
perf powerpc/perf: Trace imc PMU functions 2019-05-03 02:55:00 +10:00
platforms hugetlb: allow to free gigantic pages regardless of the configuration 2019-05-14 09:47:47 -07:00
purgatory powerpc: disable KASAN instrumentation on early/critical files. 2019-05-03 01:20:26 +10:00
sysdev powerpc updates for 5.2 2019-05-10 05:29:27 -07:00
tools powerpc/tools/checkpatch: Ignore DT_SPLIT_BINDING_PATCH 2018-12-04 19:45:01 +11:00
xmon powerpc updates for 5.2 2019-05-10 05:29:27 -07:00
Kbuild
Kconfig powerpc updates for 5.2 2019-05-10 05:29:27 -07:00
Kconfig.debug powerpc/xmon: add read-only mode 2019-05-03 02:54:57 +10:00
Makefile powerpc: vdso: Make vdso32 installation conditional in vdso_install 2019-04-20 22:02:12 +10:00
Makefile.postlink