From mboxrd@z Thu Jan 1 00:00:00 1970 From: r.sricharan@ti.com (R Sricharan) Date: Mon, 11 Feb 2013 19:22:22 +0530 Subject: [PATCH V6] ARM: LPAE: Fix mapping in alloc_init_section for unaligned addresses In-Reply-To: <20130211131230.GA5676@MacBook-Pro.local> References: <1360574009-12429-1-git-send-email-r.sricharan@ti.com> <20130211131230.GA5676@MacBook-Pro.local> Message-ID: <5118F796.3080308@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Russell, On Monday 11 February 2013 06:42 PM, Catalin Marinas wrote: > On Mon, Feb 11, 2013 at 09:13:29AM +0000, R Sricharan wrote: >> +static void __init alloc_init_pmd(pud_t *pud, unsigned long addr, >> + unsigned long end, phys_addr_t phys, >> + const struct mem_type *type) >> +{ >> + pmd_t *pmd = pmd_offset(pud, addr); >> + unsigned long next; >> + >> + do { >> /* >> - * No need to loop; pte's aren't interested in the >> - * individual L1 entries. >> + * With LPAE, we must loop over to map >> + * all the pmds for the given range. >> */ >> - alloc_init_pte(pmd, addr, end, __phys_to_pfn(phys), type); >> - } >> + next = pmd_addr_end(addr, end); >> + >> + /* >> + * Try a section mapping - end, addr and phys must all be >> + * aligned to a section boundary. >> + */ > > Should this read "next, addr and phys" instead of "end..."? > > Otherwise: > > Reviewed-by: Catalin Marinas > Can I put this in to patch system ? Regards, Sricharan