On Wed 03-04-13 14:35:37, Naoya Horiguchi wrote: > Documentation/filesystems/proc.txt says about coredump_filter bitmask, > > Note bit 0-4 doesn't effect any hugetlb memory. hugetlb memory are only > effected by bit 5-6. > > However current code can go into the subsequent flag checks of bit 0-4 > for vma(VM_HUGETLB). So this patch inserts 'return' and makes it work > as written in the document. > > Signed-off-by: Naoya Horiguchi <n-horigu...@ah.jp.nec.com> > Cc: sta...@vger.kernel.org
Just for the record. It should be stable for 3.7+ since (314e51b98) becuase then have lost VM_RESERVED check which used to stop hugetlb mappings. Acked-by: Michal Hocko <mho...@suse.cz> > --- > fs/binfmt_elf.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git v3.9-rc3.orig/fs/binfmt_elf.c v3.9-rc3/fs/binfmt_elf.c > index 3939829..86af964 100644 > --- v3.9-rc3.orig/fs/binfmt_elf.c > +++ v3.9-rc3/fs/binfmt_elf.c > @@ -1137,6 +1137,7 @@ static unsigned long vma_dump_size(struct > vm_area_struct *vma, > goto whole; > if (!(vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_PRIVATE)) > goto whole; > + return 0; > } > > /* Do not dump I/O mapped devices or special mappings */ > -- > 1.7.11.7 > -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
