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Merge branch 'akpm' (patches from Andrew)

Telusuri Sumber 
Merge updates from Andrew Morton:

 - a few misc things

 - ocfs2 updates

 - most of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (132 commits)
  hugetlbfs: dirty pages as they are added to pagecache
  mm: export add_swap_extent()
  mm: split SWP_FILE into SWP_ACTIVATED and SWP_FS
  tools/testing/selftests/vm/map_fixed_noreplace.c: add test for MAP_FIXED_NOREPLACE
  mm: thp: relocate flush_cache_range() in migrate_misplaced_transhuge_page()
  mm: thp: fix mmu_notifier in migrate_misplaced_transhuge_page()
  mm: thp: fix MADV_DONTNEED vs migrate_misplaced_transhuge_page race condition
  mm/kasan/quarantine.c: make quarantine_lock a raw_spinlock_t
  mm/gup: cache dev_pagemap while pinning pages
  Revert "x86/e820: put !E820_TYPE_RAM regions into memblock.reserved"
  mm: return zero_resv_unavail optimization
  mm: zero remaining unavailable struct pages
  tools/testing/selftests/vm/gup_benchmark.c: add MAP_HUGETLB option
  tools/testing/selftests/vm/gup_benchmark.c: add MAP_SHARED option
  tools/testing/selftests/vm/gup_benchmark.c: allow user specified file
  tools/testing/selftests/vm/gup_benchmark.c: fix 'write' flag usage
  mm/gup_benchmark.c: add additional pinning methods
  mm/gup_benchmark.c: time put_page()
  mm: don't raise MEMCG_OOM event due to failed high-order allocation
  mm/page-writeback.c: fix range_cyclic writeback vs writepages deadlock
  ...
This commit is contained in:
Linus Torvalds
2018-10-26 19:33:41 -07:00
orang tua 4904008165 22146c3ce9
melakukan 345671ea0f
156 mengubah file dengan 3407 tambahan dan 1995 penghapusan
Download Patch File Download Diff File Expand all files Collapse all files

39
arch/arm64/include/asm/hugetlb.h
Melihat File

@@ -20,48 +20,18 @@
#include <asm/page.h>
#define __HAVE_ARCH_HUGE_PTEP_GET
static inline pte_t huge_ptep_get(pte_t *ptep)
{
return READ_ONCE(*ptep);
}
static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
unsigned long floor,
unsigned long ceiling)
{
free_pgd_range(tlb, addr, end, floor, ceiling);
}
static inline int is_hugepage_only_range(struct mm_struct *mm,
unsigned long addr, unsigned long len)
{
return 0;
}
static inline int prepare_hugepage_range(struct file *file,
unsigned long addr, unsigned long len)
{
struct hstate *h = hstate_file(file);
if (len & ~huge_page_mask(h))
return -EINVAL;
if (addr & ~huge_page_mask(h))
return -EINVAL;
return 0;
}
static inline int huge_pte_none(pte_t pte)
{
return pte_none(pte);
}
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
}
static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
@@ -70,20 +40,25 @@ static inline void arch_clear_hugepage_flags(struct page *page)
extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
struct page *page, int writable);
#define arch_make_huge_pte arch_make_huge_pte
#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
extern void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
extern void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep);
#define __HAVE_ARCH_HUGE_PTE_CLEAR
extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, unsigned long sz);
#define huge_pte_clear huge_pte_clear
extern void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte, unsigned long sz);
#define set_huge_swap_pte_at set_huge_swap_pte_at

14
arch/arm64/include/asm/string.h
Melihat File

@@ -16,6 +16,7 @@
#ifndef __ASM_STRING_H
#define __ASM_STRING_H
#ifndef CONFIG_KASAN
#define __HAVE_ARCH_STRRCHR
extern char *strrchr(const char *, int c);
@@ -34,6 +35,13 @@ extern __kernel_size_t strlen(const char *);
#define __HAVE_ARCH_STRNLEN
extern __kernel_size_t strnlen(const char *, __kernel_size_t);
#define __HAVE_ARCH_MEMCMP
extern int memcmp(const void *, const void *, size_t);
#define __HAVE_ARCH_MEMCHR
extern void *memchr(const void *, int, __kernel_size_t);
#endif
#define __HAVE_ARCH_MEMCPY
extern void *memcpy(void *, const void *, __kernel_size_t);
extern void *__memcpy(void *, const void *, __kernel_size_t);
@@ -42,16 +50,10 @@ extern void *__memcpy(void *, const void *, __kernel_size_t);
extern void *memmove(void *, const void *, __kernel_size_t);
extern void *__memmove(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMCHR
extern void *memchr(const void *, int, __kernel_size_t);
#define __HAVE_ARCH_MEMSET
extern void *memset(void *, int, __kernel_size_t);
extern void *__memset(void *, int, __kernel_size_t);
#define __HAVE_ARCH_MEMCMP
extern int memcmp(const void *, const void *, size_t);
#ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE
#define __HAVE_ARCH_MEMCPY_FLUSHCACHE
void memcpy_flushcache(void *dst, const void *src, size_t cnt);

7
arch/arm64/kernel/arm64ksyms.c
Melihat File

@@ -44,20 +44,23 @@ EXPORT_SYMBOL(__arch_copy_in_user);
EXPORT_SYMBOL(memstart_addr);
/* string / mem functions */
#ifndef CONFIG_KASAN
EXPORT_SYMBOL(strchr);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(strcmp);
EXPORT_SYMBOL(strncmp);
EXPORT_SYMBOL(strlen);
EXPORT_SYMBOL(strnlen);
EXPORT_SYMBOL(memcmp);
EXPORT_SYMBOL(memchr);
#endif
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(__memset);
EXPORT_SYMBOL(__memcpy);
EXPORT_SYMBOL(__memmove);
EXPORT_SYMBOL(memchr);
EXPORT_SYMBOL(memcmp);
/* atomic bitops */
EXPORT_SYMBOL(set_bit);

2
arch/arm64/lib/memchr.S
Melihat File

@@ -30,7 +30,7 @@
* Returns:
* x0 - address of first occurrence of 'c' or 0
*/
ENTRY(memchr)
WEAK(memchr)
and w1, w1, #0xff
1: subs x2, x2, #1
b.mi 2f

2
arch/arm64/lib/memcmp.S
Melihat File

@@ -58,7 +58,7 @@ pos .req x11
limit_wd .req x12
mask .req x13
ENTRY(memcmp)
WEAK(memcmp)
cbz limit, .Lret0
eor tmp1, src1, src2
tst tmp1, #7

2
arch/arm64/lib/strchr.S
Melihat File

@@ -29,7 +29,7 @@
* Returns:
* x0 - address of first occurrence of 'c' or 0
*/
ENTRY(strchr)
WEAK(strchr)
and w1, w1, #0xff
1: ldrb w2, [x0], #1
cmp w2, w1

2
arch/arm64/lib/strcmp.S
Melihat File

@@ -60,7 +60,7 @@ tmp3 .req x9
zeroones .req x10
pos .req x11
ENTRY(strcmp)
WEAK(strcmp)
eor tmp1, src1, src2
mov zeroones, #REP8_01
tst tmp1, #7

2
arch/arm64/lib/strlen.S
Melihat File

@@ -56,7 +56,7 @@ pos .req x12
#define REP8_7f 0x7f7f7f7f7f7f7f7f
#define REP8_80 0x8080808080808080
ENTRY(strlen)
WEAK(strlen)
mov zeroones, #REP8_01
bic src, srcin, #15
ands tmp1, srcin, #15

2
arch/arm64/lib/strncmp.S
Melihat File

@@ -64,7 +64,7 @@ limit_wd .req x13
mask .req x14
endloop .req x15
ENTRY(strncmp)
WEAK(strncmp)
cbz limit, .Lret0
eor tmp1, src1, src2
mov zeroones, #REP8_01

2
arch/arm64/lib/strnlen.S
Melihat File

@@ -59,7 +59,7 @@ limit_wd .req x14
#define REP8_7f 0x7f7f7f7f7f7f7f7f
#define REP8_80 0x8080808080808080
ENTRY(strnlen)
WEAK(strnlen)
cbz limit, .Lhit_limit
mov zeroones, #REP8_01
bic src, srcin, #15

2
arch/arm64/lib/strrchr.S
Melihat File

@@ -29,7 +29,7 @@
* Returns:
* x0 - address of last occurrence of 'c' or 0
*/
ENTRY(strrchr)
WEAK(strrchr)
mov x3, #0
and w1, w1, #0xff
1: ldrb w2, [x0], #1