Commit 4a76ef03 authored by Nick Piggin's avatar Nick Piggin Committed by Linus Torvalds
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[PATCH] mincore: fill in results properly 



Paper bag time. Thanks to Randy for noticing that I didn't actually assign
'present' to anything.

Unfortunately my original patch passed the few simple test cases I gave it,
purely by coincidence.

Signed-off-by: default avatarNick Piggin <npiggin@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 30fcffed

mm/mincore.c

+5 −0
Original line number Diff line number Diff line
@@ -125,6 +125,8 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag 
#endif

			}

		}



		vec[i] = present;

	}

	pte_unmap_unlock(ptep-1, ptl);
@@ -135,6 +137,9 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag 
		pgoff = linear_page_index(vma, addr);

		for (i = 0; i < nr; i++, pgoff++)

			vec[i] = mincore_page(vma->vm_file->f_mapping, pgoff);

	} else {

		for (i = 0; i < nr; i++)

			vec[i] = 0;

	}



	return nr;