Commit 4a76ef03 authored by Nick Piggin's avatar Nick Piggin Committed by Linus Torvalds

[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
...@@ -125,6 +125,8 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag ...@@ -125,6 +125,8 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag
#endif #endif
} }
} }
vec[i] = present;
} }
pte_unmap_unlock(ptep-1, ptl); pte_unmap_unlock(ptep-1, ptl);
...@@ -135,6 +137,9 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag ...@@ -135,6 +137,9 @@ static long do_mincore(unsigned long addr, unsigned char *vec, unsigned long pag
pgoff = linear_page_index(vma, addr); pgoff = linear_page_index(vma, addr);
for (i = 0; i < nr; i++, pgoff++) for (i = 0; i < nr; i++, pgoff++)
vec[i] = mincore_page(vma->vm_file->f_mapping, pgoff); vec[i] = mincore_page(vma->vm_file->f_mapping, pgoff);
} else {
for (i = 0; i < nr; i++)
vec[i] = 0;
} }
return nr; return nr;
......
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