[patch 007/166] mm/vma: replace all remaining open encodings with is_vm_hugetlb_page()

Andrew Morton
2020-04-07T03:03:55Z

From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: mm/vma: replace all remaining open encodings with is_vm_hugetlb_page()

This replaces all remaining open encodings with is_vm_hugetlb_page().

Link: http://lkml.kernel.org/r/1582520593-30704-4-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Will Deacon <will@kernel.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: Nick Piggin <npiggin@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

arch/powerpc/kvm/e500_mmu_host.c | 2 +-
fs/binfmt_elf.c | 3 ++-
include/asm-generic/tlb.h | 3 ++-
kernel/events/core.c | 3 ++-
4 files changed, 7 insertions(+), 4 deletions(-)

--- a/arch/powerpc/kvm/e500_mmu_host.c~mm-vma-replace-all-remaining-open-encodings-with-is_vm_hugetlb_page
+++ a/arch/powerpc/kvm/e500_mmu_host.c
@@ -422,7 +422,7 @@ static inline int kvmppc_e500_shadow_map
break;
}
} else if (vma && hva >= vma->vm_start &&
- (vma->vm_flags & VM_HUGETLB)) {
+ is_vm_hugetlb_page(vma)) {
unsigned long psize = vma_kernel_pagesize(vma);

tsize = (gtlbe->mas1 & MAS1_TSIZE_MASK) >>
--- a/fs/binfmt_elf.c~mm-vma-replace-all-remaining-open-encodings-with-is_vm_hugetlb_page
+++ a/fs/binfmt_elf.c
@@ -27,6 +27,7 @@
#include <linux/highuid.h>
#include <linux/compiler.h>
#include <linux/highmem.h>
+#include <linux/hugetlb.h>
#include <linux/pagemap.h>
#include <linux/vmalloc.h>
#include <linux/security.h>
@@ -1317,7 +1318,7 @@ static unsigned long vma_dump_size(struc
}

/* Hugetlb memory check */
- if (vma->vm_flags & VM_HUGETLB) {
+ if (is_vm_hugetlb_page(vma)) {
if ((vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_SHARED))
goto whole;
if (!(vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_PRIVATE))
--- a/include/asm-generic/tlb.h~mm-vma-replace-all-remaining-open-encodings-with-is_vm_hugetlb_page
+++ a/include/asm-generic/tlb.h
@@ -13,6 +13,7 @@

#include <linux/mmu_notifier.h>
#include <linux/swap.h>
+#include <linux/hugetlb_inline.h>
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
@@ -398,7 +399,7 @@ tlb_update_vma_flags(struct mmu_gather *
* We rely on tlb_end_vma() to issue a flush, such that when we reset
* these values the batch is empty.
*/
- tlb->vma_huge = !!(vma->vm_flags & VM_HUGETLB);
+ tlb->vma_huge = is_vm_hugetlb_page(vma);
tlb->vma_exec = !!(vma->vm_flags & VM_EXEC);
}

--- a/kernel/events/core.c~mm-vma-replace-all-remaining-open-encodings-with-is_vm_hugetlb_page
+++ a/kernel/events/core.c
@@ -28,6 +28,7 @@
#include <linux/export.h>
#include <linux/vmalloc.h>
#include <linux/hardirq.h>
+#include <linux/hugetlb.h>
#include <linux/rculist.h>
#include <linux/uaccess.h>
#include <linux/syscalls.h>
@@ -7973,7 +7974,7 @@ static void perf_event_mmap_event(struct
flags |= MAP_EXECUTABLE;
if (vma->vm_flags & VM_LOCKED)
flags |= MAP_LOCKED;
- if (vma->vm_flags & VM_HUGETLB)
+ if (is_vm_hugetlb_page(vma))
flags |= MAP_HUGETLB;

if (file) {
_