diff options
| author | Baoquan He <bhe@redhat.com> | 2018-01-04 16:18:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-04 16:45:09 -0800 |
| commit | d09cfbbfa0f761a97687828b5afb27b56cbf2e19 (patch) | |
| tree | 0230e78eecb5d18a468861f33e3d8afd22c9fbec /fs/no-block.c | |
| parent | cdc346b36e1dfec201b24eddb7bdbcff6727db04 (diff) | |
mm/sparse.c: wrong allocation for mem_section
In commit 83e3c48729d9 ("mm/sparsemem: Allocate mem_section at runtime
for CONFIG_SPARSEMEM_EXTREME=y") mem_section is allocated at runtime to
save memory.
It allocates the first dimension of array with sizeof(struct mem_section).
It costs extra memory, should be sizeof(struct mem_section *).
Fix it.
Link: http://lkml.kernel.org/r/1513932498-20350-1-git-send-email-bhe@redhat.com
Fixes: 83e3c48729 ("mm/sparsemem: Allocate mem_section at runtime for CONFIG_SPARSEMEM_EXTREME=y")
Signed-off-by: Baoquan He <bhe@redhat.com>
Tested-by: Dave Young <dyoung@redhat.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Atsushi Kumagai <ats-kumagai@wm.jp.nec.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/no-block.c')
0 files changed, 0 insertions, 0 deletions