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path: root/include/asm-generic/4level-fixup.h
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#ifndef _4LEVEL_FIXUP_H
#define _4LEVEL_FIXUP_H

#define __ARCH_HAS_4LEVEL_HACK
#define __PAGETABLE_PUD_FOLDED

#define PUD_SHIFT			PGDIR_SHIFT
#define PUD_SIZE			PGDIR_SIZE
#define PUD_MASK			PGDIR_MASK
#define PTRS_PER_PUD			1

#define pud_t				pgd_t

#define pmd_alloc(mm, pud, address) \
	((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
 		NULL: pmd_offset(pud, address))

#define pud_alloc(mm, pgd, address)	(pgd)
#define pud_offset(pgd, start)		(pgd)
#define pud_none(pud)			0
#define pud_bad(pud)			0
#define pud_present(pud)		1
#define pud_ERROR(pud)			do { } while (0)
#define pud_clear(pud)			pgd_clear(pud)
#define pud_val(pud)			pgd_val(pud)
#define pud_populate(mm, pud, pmd)	pgd_populate(mm, pud, pmd)
#define pud_page(pud)			pgd_page(pud)
#define pud_page_vaddr(pud)		pgd_page_vaddr(pud)

#undef pud_free_tlb
#define pud_free_tlb(tlb, x, addr)	do { } while (0)
#define pud_free(mm, x)			do { } while (0)
#define __pud_free_tlb(tlb, x, addr)	do { } while (0)

#undef  pud_addr_end
#define pud_addr_end(addr, end)		(end)

#endif
gi/linux/net-next.git/diff/tools/testing/ktest/examples?h=nds-private-remove&id=0b3589be9b98994ce3d5aeca52445d1f5627c4ba&id2=a76a82a3e38c8d3fb6499e3dfaeb0949241ab588'>diff)
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
Andres reported that MMAP2 records for anonymous memory always have their protection field 0. Turns out, someone daft put the prot/flags generation code in the file branch, leaving them unset for anonymous memory. Reported-by: Andres Freund <andres@anarazel.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Don Zickus <dzickus@redhat.com Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@gmail.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@kernel.org Cc: anton@ozlabs.org Cc: namhyung@kernel.org Cc: stable@vger.kernel.org # v3.16+ Fixes: f972eb63b100 ("perf: Pass protection and flags bits through mmap2 interface") Link: http://lkml.kernel.org/r/20170126221508.GF6536@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/testing/ktest/examples')