[PATCH] trivial highpte patch

Brian Gerst (bgerst@didntduck.org)
Sat, 01 Jun 2002 10:02:31 -0400


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Create a common GFP_USERPTE and change x86 and ppc code to use it.

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				Brian Gerst

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diff -urN linux-bk/arch/i386/mm/init.c linux/arch/i386/mm/init.c --- linux-bk/arch/i386/mm/init.c Wed May 29 15:06:00 2002 +++ linux/arch/i386/mm/init.c Fri May 31 11:01:06 2002 @@ -634,11 +634,7 @@ struct page *pte; do { -#if CONFIG_HIGHPTE - pte = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, 0); -#else - pte = alloc_pages(GFP_KERNEL, 0); -#endif + pte = alloc_pages(GFP_USERPTE, 0); if (pte) clear_highpage(pte); else { diff -urN linux-bk/arch/ppc/mm/pgtable.c linux/arch/ppc/mm/pgtable.c --- linux-bk/arch/ppc/mm/pgtable.c Wed May 15 10:27:26 2002 +++ linux/arch/ppc/mm/pgtable.c Fri May 31 11:01:17 2002 @@ -95,13 +95,8 @@ { struct page *pte; int timeout = 0; -#ifdef CONFIG_HIGHPTE - int flags = GFP_KERNEL | __GFP_HIGHMEM; -#else - int flags = GFP_KERNEL; -#endif - while ((pte = alloc_pages(flags, 0)) == NULL) { + while ((pte = alloc_pages(GFP_USERPTE, 0)) == NULL) { if (++timeout >= 10) return NULL; set_current_state(TASK_UNINTERRUPTIBLE); diff -urN linux-bk/include/linux/gfp.h linux/include/linux/gfp.h --- linux-bk/include/linux/gfp.h Thu May 30 09:51:37 2002 +++ linux/include/linux/gfp.h Fri May 31 11:01:43 2002 @@ -28,6 +28,12 @@ #define GFP_NFS (__GFP_HIGH | __GFP_WAIT | __GFP_IO | __GFP_HIGHIO | __GFP_FS) #define GFP_KSWAPD ( __GFP_WAIT | __GFP_IO | __GFP_HIGHIO | __GFP_FS) +#ifdef CONFIG_HIGHPTE +#define GFP_USERPTE (GFP_KERNEL | __GFP_HIGHMEM) +#else +#define GFP_USERPTE (GFP_KERNEL) +#endif + /* Flag - indicates that the buffer will be suitable for DMA. Ignored on some platforms, used as appropriate on others */

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