本文整理汇总了C++中pud_addr_end函数的典型用法代码示例。如果您正苦于以下问题：C++ pud_addr_end函数的具体用法？C++ pud_addr_end怎么用？C++ pud_addr_end使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了pud_addr_end函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: unmap_range
static void unmap_range(struct kvm *kvm, pgd_t *pgdp,
unsigned long long start, u64 size)
{
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
pte_t *pte;
unsigned long long addr = start, end = start + size;
u64 next;
while (addr < end) {
pgd = pgdp + pgd_index(addr);
pud = pud_offset(pgd, addr);
if (pud_none(*pud)) {
addr = pud_addr_end(addr, end);
continue;
}
if (pud_huge(*pud)) {
/*
* If we are dealing with a huge pud, just clear it and
* move on.
*/
clear_pud_entry(kvm, pud, addr);
addr = pud_addr_end(addr, end);
continue;
}
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd)) {
addr = pmd_addr_end(addr, end);
continue;
}
if (!kvm_pmd_huge(*pmd)) {
pte = pte_offset_kernel(pmd, addr);
clear_pte_entry(kvm, pte, addr);
next = addr + PAGE_SIZE;
}
/*
* If the pmd entry is to be cleared, walk back up the ladder
*/
if (kvm_pmd_huge(*pmd) || page_empty(pte)) {
clear_pmd_entry(kvm, pmd, addr);
next = pmd_addr_end(addr, end);
if (page_empty(pmd) && !page_empty(pud)) {
clear_pud_entry(kvm, pud, addr);
next = pud_addr_end(addr, end);
}
}
addr = next;
}
}
开发者ID:AD5GB，项目名称:kernel_n5_3.10-experimental，代码行数:55，代码来源:mmu.c
示例2: ioremap_pud_range
static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr,
unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
{
pud_t *pud;
unsigned long next;
phys_addr -= addr;
pud = pud_alloc(&init_mm, p4d, addr);
if (!pud)
return -ENOMEM;
do {
next = pud_addr_end(addr, end);
if (ioremap_pud_enabled() &&
((next - addr) == PUD_SIZE) &&
IS_ALIGNED(phys_addr + addr, PUD_SIZE)) {
if (pud_set_huge(pud, phys_addr + addr, prot))
continue;
}
if (ioremap_pmd_range(pud, addr, next, phys_addr + addr, prot))
return -ENOMEM;
} while (pud++, addr = next, addr != end);
return 0;
}
开发者ID:ReneNyffenegger，项目名称:linux，代码行数:25，代码来源:ioremap.c
示例3: create_hyp_pud_mappings
static int create_hyp_pud_mappings(pgd_t *pgd, unsigned long start,
unsigned long end, unsigned long pfn,
pgprot_t prot)
{
pud_t *pud;
pmd_t *pmd;
unsigned long addr, next;
int ret;
addr = start;
do {
pud = pud_offset(pgd, addr);
if (pud_none_or_clear_bad(pud)) {
pmd = pmd_alloc_one(NULL, addr);
if (!pmd) {
kvm_err("Cannot allocate Hyp pmd\n");
return -ENOMEM;
}
pud_populate(NULL, pud, pmd);
get_page(virt_to_page(pud));
kvm_flush_dcache_to_poc(pud, sizeof(*pud));
}
next = pud_addr_end(addr, end);
ret = create_hyp_pmd_mappings(pud, addr, next, pfn, prot);
if (ret)
return ret;
pfn += (next - addr) >> PAGE_SHIFT;
} while (addr = next, addr != end);
return 0;
}
开发者ID:0x00evil，项目名称:linux，代码行数:33，代码来源:mmu.c
示例4: gup_pud_range
static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end,
int write, struct page **pages, int *nr)
{
unsigned long next;
pud_t *pudp;
pudp = pud_offset(&pgd, addr);
do {
pud_t pud = READ_ONCE(*pudp);
next = pud_addr_end(addr, end);
if (pud_none(pud))
return 0;
if (pud_huge(pud)) {
if (!gup_hugepte((pte_t *)pudp, PUD_SIZE, addr, next,
write, pages, nr))
return 0;
} else if (is_hugepd(pudp)) {
if (!gup_hugepd((hugepd_t *)pudp, PUD_SHIFT,
addr, next, write, pages, nr))
return 0;
} else if (!gup_pmd_range(pud, addr, next, write, pages, nr))
return 0;
} while (pudp++, addr = next, addr != end);
return 1;
}
开发者ID:myhro，项目名称:debian-linux-kernel-gzip，代码行数:27，代码来源:gup.c
示例5: copy_pud
static int copy_pud(pgd_t *dst_pgdp, pgd_t *src_pgdp, unsigned long start,
unsigned long end)
{
pud_t *dst_pudp;
pud_t *src_pudp;
unsigned long next;
unsigned long addr = start;
if (pgd_none(READ_ONCE(*dst_pgdp))) {
dst_pudp = (pud_t *)get_safe_page(GFP_ATOMIC);
if (!dst_pudp)
return -ENOMEM;
pgd_populate(&init_mm, dst_pgdp, dst_pudp);
}
dst_pudp = pud_offset(dst_pgdp, start);
src_pudp = pud_offset(src_pgdp, start);
do {
pud_t pud = READ_ONCE(*src_pudp);
next = pud_addr_end(addr, end);
if (pud_none(pud))
continue;
if (pud_table(pud)) {
if (copy_pmd(dst_pudp, src_pudp, addr, next))
return -ENOMEM;
} else {
set_pud(dst_pudp,
__pud(pud_val(pud) & ~PMD_SECT_RDONLY));
}
} while (dst_pudp++, src_pudp++, addr = next, addr != end);
return 0;
}
开发者ID:CaiBirdZhang，项目名称:linux，代码行数:34，代码来源:hibernate.c
示例6: idmap_del_pud
static void idmap_del_pud(pgd_t *pgd, unsigned long addr, unsigned long end)
{
pud_t *pud = pud_offset(pgd, addr);
unsigned long next;
do {
next = pud_addr_end(addr, end);
idmap_del_pmd(pud, addr, next);
} while (pud++, addr = next, addr != end);
}
开发者ID:HuxyUK，项目名称:xpenology-3.x，代码行数:10，代码来源:idmap.c
示例7: kasan_pud_populate
static void __init kasan_pud_populate(pgd_t *pgdp, unsigned long addr,
unsigned long end, int node, bool early)
{
unsigned long next;
pud_t *pudp = kasan_pud_offset(pgdp, addr, node, early);
do {
next = pud_addr_end(addr, end);
kasan_pmd_populate(pudp, addr, next, node, early);
} while (pudp++, addr = next, addr != end && pud_none(READ_ONCE(*pudp)));
}
开发者ID:150balbes，项目名称:Amlogic_s905-kernel，代码行数:11，代码来源:kasan_init.c
示例8: unmap_range
static void unmap_range(struct kvm *kvm, pgd_t *pgdp,
unsigned long long start, u64 size)
{
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
pte_t *pte;
unsigned long long addr = start, end = start + size;
u64 next;
while (addr < end) {
pgd = pgdp + pgd_index(addr);
pud = pud_offset(pgd, addr);
if (pud_none(*pud)) {
addr = pud_addr_end(addr, end);
continue;
}
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd)) {
addr = pmd_addr_end(addr, end);
continue;
}
pte = pte_offset_kernel(pmd, addr);
clear_pte_entry(kvm, pte, addr);
next = addr + PAGE_SIZE;
/* If we emptied the pte, walk back up the ladder */
if (page_empty(pte)) {
clear_pmd_entry(kvm, pmd, addr);
next = pmd_addr_end(addr, end);
if (page_empty(pmd) && !page_empty(pud)) {
clear_pud_entry(kvm, pud, addr);
next = pud_addr_end(addr, end);
}
}
addr = next;
}
}
开发者ID:ManCheol，项目名称:kernel，代码行数:41，代码来源:mmu.c
示例9: alloc_init_pud
static void alloc_init_pud(pgd_t *pgd, unsigned long addr, unsigned long end,
phys_addr_t phys, pgprot_t prot,
phys_addr_t (*pgtable_alloc)(void))
{
pud_t *pud;
unsigned long next;
if (pgd_none(*pgd)) {
phys_addr_t pud_phys;
BUG_ON(!pgtable_alloc);
pud_phys = pgtable_alloc();
__pgd_populate(pgd, pud_phys, PUD_TYPE_TABLE);
}
BUG_ON(pgd_bad(*pgd));
pud = pud_set_fixmap_offset(pgd, addr);
do {
next = pud_addr_end(addr, end);
/*
* For 4K granule only, attempt to put down a 1GB block
*/
if (use_1G_block(addr, next, phys) &&
block_mappings_allowed(pgtable_alloc)) {
pud_t old_pud = *pud;
pud_set_huge(pud, phys, prot);
/*
* If we have an old value for a pud, it will
* be pointing to a pmd table that we no longer
* need (from swapper_pg_dir).
*
* Look up the old pmd table and free it.
*/
if (!pud_none(old_pud)) {
flush_tlb_all();
if (pud_table(old_pud)) {
phys_addr_t table = pud_page_paddr(old_pud);
if (!WARN_ON_ONCE(slab_is_available()))
memblock_free(table, PAGE_SIZE);
}
}
} else {
alloc_init_pmd(pud, addr, next, phys, prot,
pgtable_alloc);
}
phys += next - addr;
} while (pud++, addr = next, addr != end);
pud_clear_fixmap();
}
开发者ID:1314cc，项目名称:linux，代码行数:51，代码来源:mmu.c
示例10: msync_pud_range
static inline unsigned long msync_pud_range(struct vm_area_struct *vma,
pgd_t *pgd, unsigned long addr, unsigned long end)
{
pud_t *pud;
unsigned long next;
unsigned long ret = 0;
pud = pud_offset(pgd, addr);
do {
next = pud_addr_end(addr, end);
if (pud_none_or_clear_bad(pud))
continue;
ret += msync_pmd_range(vma, pud, addr, next);
} while (pud++, addr = next, addr != end);
return ret;
}
开发者ID:FatSunHYS，项目名称:OSCourseDesign，代码行数:16，代码来源:msync.c
示例11: clear_pud_range
static unsigned long clear_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
unsigned long addr, unsigned long end)
{
pud_t *pud;
unsigned long next;
pud = pud_offset(pgd, addr);
do {
next = pud_addr_end(addr, end);
if (pud_none(*pud))
continue;
next = clear_pmd_range(vma, pud, addr, next);
} while (pud++, addr = next, addr != end);
return addr;
}
开发者ID:lastweek，项目名称:NVM，代码行数:16，代码来源:migrate.c
示例12: kasan_early_pud_populate
static void __init kasan_early_pud_populate(pgd_t *pgd,
unsigned long addr,
unsigned long end)
{
pud_t *pud;
unsigned long next;
if (pgd_none(*pgd))
pgd_populate(&init_mm, pgd, kasan_zero_pud);
pud = pud_offset_kimg(pgd, addr);
do {
next = pud_addr_end(addr, end);
kasan_early_pmd_populate(pud, addr, next);
} while (pud++, addr = next, addr != end && pud_none(*pud));
}
开发者ID:020gzh，项目名称:linux，代码行数:16，代码来源:kasan_init.c
示例13: kasan_early_pud_populate
static void __init kasan_early_pud_populate(pgd_t *pgd,
unsigned long addr,
unsigned long end)
{
pud_t *pud;
unsigned long next;
if (pgd_none(*pgd))
__pgd_populate(pgd, __pa_symbol(kasan_zero_pud), PUD_TYPE_TABLE);
pud = pud_offset_kimg(pgd, addr);
do {
next = pud_addr_end(addr, end);
kasan_early_pmd_populate(pud, addr, next);
} while (pud++, addr = next, addr != end && pud_none(*pud));
}
开发者ID:AshishNamdev，项目名称:linux，代码行数:16，代码来源:kasan_init.c
示例14: check_pud_range
static inline int check_pud_range(struct mm_struct *mm, pgd_t *pgd,
unsigned long addr, unsigned long end, unsigned long *nodes)
{
pud_t *pud;
unsigned long next;
pud = pud_offset(pgd, addr);
do {
next = pud_addr_end(addr, end);
if (pud_none_or_clear_bad(pud))
continue;
if (check_pmd_range(mm, pud, addr, next, nodes))
return -EIO;
} while (pud++, addr = next, addr != end);
return 0;
}
开发者ID:kzlin129，项目名称:tt-gpl，代码行数:16，代码来源:mempolicy.c
示例15: alloc_init_pud
static void alloc_init_pud(struct mm_struct *mm, pgd_t *pgd,
unsigned long addr, unsigned long end,
phys_addr_t phys, pgprot_t prot,
void *(*alloc)(unsigned long size))
{
pud_t *pud;
unsigned long next;
if (pgd_none(*pgd)) {
pud = alloc(PTRS_PER_PUD * sizeof(pud_t));
pgd_populate(mm, pgd, pud);
}
BUG_ON(pgd_bad(*pgd));
pud = pud_offset(pgd, addr);
do {
next = pud_addr_end(addr, end);
/*
* For 4K granule only, attempt to put down a 1GB block
*/
if (use_1G_block(addr, next, phys)) {
pud_t old_pud = *pud;
set_pud(pud, __pud(phys |
pgprot_val(mk_sect_prot(prot))));
/*
* If we have an old value for a pud, it will
* be pointing to a pmd table that we no longer
* need (from swapper_pg_dir).
*
* Look up the old pmd table and free it.
*/
if (!pud_none(old_pud)) {
flush_tlb_all();
if (pud_table(old_pud)) {
phys_addr_t table = __pa(pmd_offset(&old_pud, 0));
if (!WARN_ON_ONCE(slab_is_available()))
memblock_free(table, PAGE_SIZE);
}
}
} else {
alloc_init_pmd(mm, pud, addr, next, phys, prot, alloc);
}
phys += next - addr;
} while (pud++, addr = next, addr != end);
}
开发者ID:BrainFucking，项目名称:linux，代码行数:47，代码来源:mmu.c
示例16: ioremap_pud_range
static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr,
unsigned long end, unsigned long phys_addr, pgprot_t prot)
{
pud_t *pud;
unsigned long next;
phys_addr -= addr;
pud = pud_alloc(&init_mm, pgd, addr);
if (!pud)
return -ENOMEM;
do {
next = pud_addr_end(addr, end);
if (ioremap_pmd_range(pud, addr, next, phys_addr + addr, prot))
return -ENOMEM;
} while (pud++, addr = next, addr != end);
return 0;
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:17，代码来源:ioremap.c
示例17: unuse_pud_range
static inline int unuse_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
unsigned long addr, unsigned long end,
swp_entry_t entry, struct page *page)
{
pud_t *pud;
unsigned long next;
pud = pud_offset(pgd, addr);
do {
next = pud_addr_end(addr, end);
if (pud_none_or_clear_bad(pud))
continue;
if (unuse_pmd_range(vma, pud, addr, next, entry, page))
return 1;
} while (pud++, addr = next, addr != end);
return 0;
}
开发者ID:acassis，项目名称:emlinux-ssd1935，代码行数:17，代码来源:swapfile.c
示例18: mincore_pud_range
static void mincore_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
unsigned long addr, unsigned long end,
unsigned char *vec)
{
unsigned long next;
pud_t *pud;
pud = pud_offset(pgd, addr);
do {
next = pud_addr_end(addr, end);
if (pud_none_or_clear_bad(pud))
mincore_unmapped_range(vma, addr, next, vec);
else
mincore_pmd_range(vma, pud, addr, next, vec);
vec += (next - addr) >> PAGE_SHIFT;
} while (pud++, addr = next, addr != end);
}
开发者ID:1yankeedt，项目名称:D710BST_FL24_Kernel，代码行数:17，代码来源:mincore.c
示例19: gup_pud_range
static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end,
int write, struct page **pages, int *nr)
{
unsigned long next;
pud_t *pudp;
pudp = pud_offset(&pgd, addr);
do {
pud_t pud = *pudp;
next = pud_addr_end(addr, end);
if (pud_none(pud))
return 0;
if (!gup_pmd_range(pud, addr, next, write, pages, nr))
return 0;
} while (pudp++, addr = next, addr != end);
return 1;
}
开发者ID:1800alex，项目名称:linux，代码行数:19，代码来源:gup.c
示例20: kasan_populate_p4d
static void __init kasan_populate_p4d(p4d_t *p4d, unsigned long addr,
unsigned long end, int nid)
{
pud_t *pud;
unsigned long next;
if (p4d_none(*p4d)) {
void *p = early_alloc(PAGE_SIZE, nid, true);
p4d_populate(&init_mm, p4d, p);
}
pud = pud_offset(p4d, addr);
do {
next = pud_addr_end(addr, end);
if (!pud_large(*pud))
kasan_populate_pud(pud, addr, next, nid);
} while (pud++, addr = next, addr != end);
}
开发者ID:Anjali05，项目名称:linux，代码行数:19，代码来源:kasan_init_64.c
注：本文中的pud_addr_end函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
客服电话
APP下载
官方微信
请发表评论