Re: [PATCH RFC 0/1] ksm: check and skip page, if it is already scanned

2014-03-04 Thread Dave Hansen
On 03/03/2014 06:48 PM, Pradeep Sawlani wrote: > Patch uses two bits to detect if page is scanned, one bit for odd cycle > and other for even cycle. This adds one more bit in page flags and > overloads existing bit (PG_owner_priv_1). > Changes are based of 3.4.79 kernel, since I have used that for

Re: [PATCH RFC 0/1] ksm: check and skip page, if it is already scanned

2014-03-04 Thread Dave Hansen
On 03/03/2014 06:48 PM, Pradeep Sawlani wrote: Patch uses two bits to detect if page is scanned, one bit for odd cycle and other for even cycle. This adds one more bit in page flags and overloads existing bit (PG_owner_priv_1). Changes are based of 3.4.79 kernel, since I have used that for

[PATCH RFC 0/1] ksm: check and skip page, if it is already scanned

2014-03-03 Thread Pradeep Sawlani
From: Pradeep Sawlani Patch uses two bits to detect if page is scanned, one bit for odd cycle and other for even cycle. This adds one more bit in page flags and overloads existing bit (PG_owner_priv_1). Changes are based of 3.4.79 kernel, since I have used that for verification. Detail

[PATCH RFC 0/1] ksm: check and skip page, if it is already scanned

2014-03-03 Thread Pradeep Sawlani
From: Pradeep Sawlani Patch uses two bits to detect if page is scanned, one bit for odd cycle and other for even cycle. This adds one more bit in page flags and overloads existing bit (PG_owner_priv_1). Changes are based of 3.4.79 kernel, since I have used that for verification. Detail

[PATCH RFC 0/1] ksm: check and skip page, if it is already scanned

2014-03-03 Thread Pradeep Sawlani
From: Pradeep Sawlani sawl...@amazon.com Patch uses two bits to detect if page is scanned, one bit for odd cycle and other for even cycle. This adds one more bit in page flags and overloads existing bit (PG_owner_priv_1). Changes are based of 3.4.79 kernel, since I have used that for

[PATCH RFC 0/1] ksm: check and skip page, if it is already scanned

2014-03-03 Thread Pradeep Sawlani
From: Pradeep Sawlani sawl...@amazon.com Patch uses two bits to detect if page is scanned, one bit for odd cycle and other for even cycle. This adds one more bit in page flags and overloads existing bit (PG_owner_priv_1). Changes are based of 3.4.79 kernel, since I have used that for