Loading include/linux/zpool.h +12 −0 Original line number Diff line number Diff line Loading @@ -7,6 +7,11 @@ * storage pool implementations. Typically, this is used to * store compressed memory. */ /* * NOTE: This file has been modified by Sony Mobile Communications Inc. * Modifications are Copyright (c) 2015 Sony Mobile Communications Inc, * and licensed under the license of the file. */ #ifndef _ZPOOL_H_ #define _ZPOOL_H_ Loading Loading @@ -60,6 +65,9 @@ void zpool_unmap_handle(struct zpool *pool, unsigned long handle); u64 zpool_get_total_size(struct zpool *pool); unsigned long zpool_compact(struct zpool *pool); unsigned long zpool_get_num_compacted(struct zpool *zpool); /** * struct zpool_driver - driver implementation for zpool Loading Loading @@ -101,6 +109,10 @@ struct zpool_driver { void (*unmap)(void *pool, unsigned long handle); u64 (*total_size)(void *pool); unsigned long (*compact)(void *pool); unsigned long (*get_num_compacted)(void *pool); }; void zpool_register_driver(struct zpool_driver *driver); Loading mm/Kconfig +11 −1 Original line number Diff line number Diff line Loading @@ -557,7 +557,7 @@ config ZPOOL zsmalloc. config ZBUD tristate "Low density storage for compressed pages" tristate "Low (Up to 2x) density storage for compressed pages" default n help A special purpose allocator for storing compressed pages. Loading @@ -566,6 +566,16 @@ config ZBUD deterministic reclaim properties that make it preferable to a higher density approach when reclaim will be used. config Z3FOLD tristate "Up to 3x density storage for compressed pages" depends on ZPOOL default n help A special purpose allocator for storing compressed pages. It is designed to store up to three compressed pages per physical page. It is a ZBUD derivative so the simplicity and determinism are still there. config ZSMALLOC tristate "Memory allocator for compressed pages" depends on MMU Loading mm/Makefile +1 −0 Original line number Diff line number Diff line Loading @@ -77,6 +77,7 @@ obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o obj-$(CONFIG_ZPOOL) += zpool.o obj-$(CONFIG_ZBUD) += zbud.o obj-$(CONFIG_ZSMALLOC) += zsmalloc.o obj-$(CONFIG_Z3FOLD) += z3fold.o obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o obj-$(CONFIG_CMA) += cma.o obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o Loading mm/huge_memory.c +5 −0 Original line number Diff line number Diff line Loading @@ -4,6 +4,11 @@ * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. */ /* * NOTE: This file has been modified by Sony Mobile Communications Inc. * Modifications are Copyright (c) 2015 Sony Mobile Communications Inc, * and licensed under the license of the file. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt Loading mm/mmap.c +3 −0 Original line number Diff line number Diff line Loading @@ -1312,6 +1312,9 @@ unsigned long do_mmap(struct file *file, unsigned long addr, *populate = 0; while (file && (file->f_mode & FMODE_NONMAPPABLE)) file = file->f_op->get_lower_file(file); if (!len) return -EINVAL; Loading Loading
include/linux/zpool.h +12 −0 Original line number Diff line number Diff line Loading @@ -7,6 +7,11 @@ * storage pool implementations. Typically, this is used to * store compressed memory. */ /* * NOTE: This file has been modified by Sony Mobile Communications Inc. * Modifications are Copyright (c) 2015 Sony Mobile Communications Inc, * and licensed under the license of the file. */ #ifndef _ZPOOL_H_ #define _ZPOOL_H_ Loading Loading @@ -60,6 +65,9 @@ void zpool_unmap_handle(struct zpool *pool, unsigned long handle); u64 zpool_get_total_size(struct zpool *pool); unsigned long zpool_compact(struct zpool *pool); unsigned long zpool_get_num_compacted(struct zpool *zpool); /** * struct zpool_driver - driver implementation for zpool Loading Loading @@ -101,6 +109,10 @@ struct zpool_driver { void (*unmap)(void *pool, unsigned long handle); u64 (*total_size)(void *pool); unsigned long (*compact)(void *pool); unsigned long (*get_num_compacted)(void *pool); }; void zpool_register_driver(struct zpool_driver *driver); Loading
mm/Kconfig +11 −1 Original line number Diff line number Diff line Loading @@ -557,7 +557,7 @@ config ZPOOL zsmalloc. config ZBUD tristate "Low density storage for compressed pages" tristate "Low (Up to 2x) density storage for compressed pages" default n help A special purpose allocator for storing compressed pages. Loading @@ -566,6 +566,16 @@ config ZBUD deterministic reclaim properties that make it preferable to a higher density approach when reclaim will be used. config Z3FOLD tristate "Up to 3x density storage for compressed pages" depends on ZPOOL default n help A special purpose allocator for storing compressed pages. It is designed to store up to three compressed pages per physical page. It is a ZBUD derivative so the simplicity and determinism are still there. config ZSMALLOC tristate "Memory allocator for compressed pages" depends on MMU Loading
mm/Makefile +1 −0 Original line number Diff line number Diff line Loading @@ -77,6 +77,7 @@ obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o obj-$(CONFIG_ZPOOL) += zpool.o obj-$(CONFIG_ZBUD) += zbud.o obj-$(CONFIG_ZSMALLOC) += zsmalloc.o obj-$(CONFIG_Z3FOLD) += z3fold.o obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o obj-$(CONFIG_CMA) += cma.o obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o Loading
mm/huge_memory.c +5 −0 Original line number Diff line number Diff line Loading @@ -4,6 +4,11 @@ * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. */ /* * NOTE: This file has been modified by Sony Mobile Communications Inc. * Modifications are Copyright (c) 2015 Sony Mobile Communications Inc, * and licensed under the license of the file. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt Loading
mm/mmap.c +3 −0 Original line number Diff line number Diff line Loading @@ -1312,6 +1312,9 @@ unsigned long do_mmap(struct file *file, unsigned long addr, *populate = 0; while (file && (file->f_mode & FMODE_NONMAPPABLE)) file = file->f_op->get_lower_file(file); if (!len) return -EINVAL; Loading
