On Fri, Dec 22, 2017 at 04:48:18PM +0800, Baoquan He wrote: > In commit > > 83e3c48729 "mm/sparsemem: Allocate mem_section at runtime for CONFIG_SPARSEMEM_EXTREME=y" > > mem_section is allocated at runtime to save memory. While it allocates > the first dimension of array with sizeof(struct mem_section). It costs > extra memory, should be sizeof(struct mem_section*). > > Fix it. > > Signed-off-by: Baoquan He <bhe@xxxxxxxxxx> > Tested-by: Dave Young <dyoung@xxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Atsushi Kumagai <ats-kumagai@xxxxxxxxxxxxx> > Cc: linux-mm@xxxxxxxxx Ughh. Sorry. Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Please queue it to stable. -- Kirill A. Shutemov -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
