[PATCH 5/6] malloc: Remove unnecessary tagging around _mid_memalign
DJ Delorie
dj@redhat.com
Tue Mar 23 20:44:11 GMT 2021
Szabolcs Nagy <szabolcs.nagy@arm.com> writes:
> The internal _mid_memalign already returns newly tagged memory.
> (__libc_memalign and posix_memalign already relied on this, this
> patch fixes the other call sites.)
LGTM.
Reviewed-by: DJ Delorie <dj@redhat.com>
> void *
> __libc_valloc (size_t bytes)
> {
> - void *p;
> -
> if (__malloc_initialized < 0)
> ptmalloc_init ();
>
> void *address = RETURN_ADDRESS (0);
> size_t pagesize = GLRO (dl_pagesize);
> - p = _mid_memalign (pagesize, bytes, address);
> - return tag_new_usable (p);
> + return _mid_memalign (pagesize, bytes, address);
> }
>
> void *
> __libc_pvalloc (size_t bytes)
> {
> - void *p;
> -
> if (__malloc_initialized < 0)
> ptmalloc_init ();
>
> @@ -3585,8 +3580,7 @@ __libc_pvalloc (size_t bytes)
> }
> rounded_bytes = rounded_bytes & -(pagesize - 1);
>
> - p = _mid_memalign (pagesize, rounded_bytes, address);
> - return tag_new_usable (p);
> + return _mid_memalign (pagesize, rounded_bytes, address);
> }
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