diff options
Diffstat (limited to 'mm/slob.c')
| -rw-r--r-- | mm/slob.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/slob.c b/mm/slob.c index 62b679dc660f..cb675d126791 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -514,9 +514,11 @@ size_t ksize(const void *block) return 0; sp = (struct slob_page *)virt_to_page(block); - if (slob_page(sp)) - return (((slob_t *)block - 1)->units - 1) * SLOB_UNIT; - else + if (slob_page(sp)) { + int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); + unsigned int *m = (unsigned int *)(block - align); + return SLOB_UNITS(*m) * SLOB_UNIT; + } else return sp->page.private; } |