Re: [PATCH 3.4 47/88] mm: add kmap_to_page()

2014-06-10 Thread Greg Kroah-Hartman
On Tue, Jun 10, 2014 at 04:04:53PM +0800, Yijing Wang wrote: > >> +struct page *kmap_to_page(void *vaddr) > >> +{ > >> + unsigned long addr = (unsigned long)vaddr; > >> + > >> + if (addr >= PKMAP_ADDR(0) && addr <= PKMAP_ADDR(LAST_PKMAP)) { > >> + int i = (addr - PKMAP_ADDR(0)) >> PAGE_S

Re: [PATCH 3.4 47/88] mm: add kmap_to_page()

2014-06-10 Thread Yijing Wang
>> +struct page *kmap_to_page(void *vaddr) >> +{ >> +unsigned long addr = (unsigned long)vaddr; >> + >> +if (addr >= PKMAP_ADDR(0) && addr <= PKMAP_ADDR(LAST_PKMAP)) { >> +int i = (addr - PKMAP_ADDR(0)) >> PAGE_SHIFT; >> +return pte_page(pkmap_page_table[i]); >> +

Re: [PATCH 3.4 47/88] mm: add kmap_to_page()

2014-06-09 Thread Ben Hutchings
On Mon, 2014-06-09 at 18:15 -0700, Hugh Dickins wrote: > On Mon, 9 Jun 2014, Greg Kroah-Hartman wrote: > > > 3.4-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Ben Hutchings > > > > commit fcb8996728fb59eddf84678df7cb213b2c9a2e2

Re: [PATCH 3.4 47/88] mm: add kmap_to_page()

2014-06-09 Thread Hugh Dickins
On Mon, 9 Jun 2014, Greg Kroah-Hartman wrote: > 3.4-stable review patch. If anyone has any objections, please let me know. > > -- > > From: Ben Hutchings > > commit fcb8996728fb59eddf84678df7cb213b2c9a2e26 upstream. > > This is extracted from Mel Gorman's commit 5a178119b0fb

[PATCH 3.4 47/88] mm: add kmap_to_page()

2014-06-09 Thread Greg Kroah-Hartman
3.4-stable review patch. If anyone has any objections, please let me know. -- From: Ben Hutchings commit fcb8996728fb59eddf84678df7cb213b2c9a2e26 upstream. This is extracted from Mel Gorman's commit 5a178119b0fb ('mm: add support for direct_IO to highmem pages') upstream. Req