[Intel-gfx] [PATCH] drm/i915: fix hibernation since 4bdadb9785696439c6e2b3efe34aa76df1149c83

[chiachen]

在 星期五 02 7月 2010 08:04:42，Dave Airlie 写道：
> From: Linus Torvalds <torvalds at linux-foundation.org>
> 
> Since 4bdadb9785696439c6e2b3efe34aa76df1149c83, we've 
been passing
> GFP_MOVABLE where we weren't before caused hibernate on 
Intel hardware
> to results in a lot of memory corruptions on resume.
> 
> [airlied: linus please enhance commit msg if you commit this]
> 
> http://bugzilla.kernel.org/show_bug.cgi?id=13811
> 
> Reported-by: Evengi Golov (in bugzilla)
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> Tested-by: M. Vefa Bicakci <bicave at superonline.com>
> ---
>  drivers/gpu/drm/i915/i915_gem.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.c
> b/drivers/gpu/drm/i915/i915_gem.c index 9ded3da..0743858 
100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -2239,7 +2239,7 @@ i915_gem_object_get_pages(struct 
drm_gem_object *obj,
>  	mapping = inode->i_mapping;
>  	for (i = 0; i < page_count; i++) {
>  		page = read_cache_page_gfp(mapping, i,
> -					   mapping_gfp_mask (mapping) |
> +					   GFP_HIGHUSER |
>  					   __GFP_COLD |
>  					   gfpmask);
>  		if (IS_ERR(page))