Re: [PATCH 02/36] ipc: Add COMPAT_SHMLBA support

2012-07-18 Thread Will Deacon
On Wed, Jul 18, 2012 at 06:53:34AM +0100, Jon Masters wrote: > On 07/06/2012 05:05 PM, Catalin Marinas wrote: > > > The reason for this patch is that we want SHMLBA to be 64K on AArch64 > > Presumably this is to obviate differences between 64K or 4K pages? Right, we don't have D-side aliasing wi

Re: [PATCH 02/36] ipc: Add COMPAT_SHMLBA support

2012-07-17 Thread Jon Masters
On 07/06/2012 05:05 PM, Catalin Marinas wrote: > The reason for this patch is that we want SHMLBA to be 64K on AArch64 Presumably this is to obviate differences between 64K or 4K pages? Jon. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to ma

[PATCH 02/36] ipc: Add COMPAT_SHMLBA support

2012-07-06 Thread Catalin Marinas
From: Will Deacon If the SHMLBA for a 64-bit applications differs from the SHMLBA for 32-bit (compat) applications, do_shmat() would need to handle both. This patch introduces COMPAT_SHMLBA which is used only if is_compat_task(). The reason for this patch is that we want SHMLBA to be 64K on AArc